OPERATION AND PARTS MANUAL
MQ POWER WHISPERWATT™ SERIES
MODEL DCA250SSI
MODEL DCA250SSIU
60HZ GENERATORS
(ISUZU BH6UZ1X DIESEL ENGINE)
PARTS LIST NO. C1871301704 — DCA250SSI
PARTS LIST NO. M5871300004 — DCA250SSU
Revision #0 (01/12/11)
To fi nd the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
PROPOSITION 65 WARNING
Diesel engine exhaust and some of
PAGE 2 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
REPORTING SAFETY DEFECTS
If you believe that your vehicle has a defect that could cause a crash or could cause
injury or death, you should immediately inform the National Highway Traffi c Safety
Administration (NHTSA) in addition to notifying Multiquip at 1-800-421-1244.
If NHTSA receives similar complaints, it may open an investigation, and if it fi nds
that a safety defect exists in a group of vehicles, it may order a recall and remedy
campaign. However, NHTSA cannot become involved in individual problems
between you, your dealer, or Multiquip.
To contact NHTSA, you may either call the Vehicle Safety Hotline toll-free at 1-888327-4236 (TTY: 1-800-424-9153), go to http://www.nhtsa.dot.gov; or write to:
Administrator
NHTSA
1200 New Jersey Avenue S.E.
Washington, DC 20590
You can also obtain information about motor vehicle safety from
http://www.safecar.gov.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 3
TABLE OF CONTENTS
DCA250SSI/DCA250SSIU
60HZ GENERATORS
Proposition 65 Warning ........................................... 2
Reporting Safety Defects ......................................... 3
Table Of Contents .................................................... 4
Parts Ordering Procedures ...................................... 5
Safety Information .............................................. 6-11
Specifi cations ........................................................ 12
Dimensions ............................................................ 13
Installation ........................................................ 14-15
General Information ............................................... 16
Major Components ................................................ 17
Generator Control Panel ................................... 18-19
Engine Operating Panel......................................... 20
Output Terminal Panel Familiarization .............. 22-24
Load Application .................................................... 25
Generator Outputs ............................................ 26-27
Gauge Reading ..................................................... 27
Output Terminal Panel Connections ................. 28-29
Inspection/Setup ............................................... 30-33
Generator Start-Up Procedure (Manual) .......... 34-35
Generator Start-Up Procedure (Auto Mode) .......... 36
Generator Shut-Down Procedures ........................ 37
Maintenance ..................................................... 38-41
Trailer Maintenance .......................................... 42-45
Trailer Wiring Diagram ........................................... 46
Generator Wiring Diagram ..................................... 47
Engine Wiring Diagram .......................................... 48
Controller Wiring Diagram ..................................... 49
Troubleshooting (Generator) .................................. 50
Troubleshooting (Engine Controller) ...................... 51
Troubleshooting (Diagnostic Lamp) ....................... 52
Explanation Of Code In Remarks Column............. 54
Suggested Spare Parts ......................................... 55
Component Drawings
Generator Assembly ......................................... 56-59
Engine Operating Panel Assembly ................... 60-61
Control Box Assembly ...................................... 62-67
Engine and Radiator Assembly ........................ 68-71
Output Terminal Assembly ................................ 72-75
Battery Assembly (DCA250SSI) ....................... 76-77
Battery Assembly (DCA250SSIU) .................... 78-79
Muffl er Assembly .............................................. 80-81
Fuel Tank Assembly .......................................... 82-85
Enclosure Assembly ......................................... 86-91
Rubber Seals Assembly ................................... 92-93
Nameplate and Decals Assy. (DCA250SSI) ..... 94-97
Nameplate and Decals Assy. (DCA250SSIU) 98-101
Terms and Conditions Of Sale — Parts ............... 102
NOTICE
Specifi cations and part numbers are subject to change
without notice.
PAGE 4 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
PARTS ORDERING PROCEDURES
www.multiquip.com
Ordering parts has never been easier!
Choose from three easy options:
WE ACCEPT ALL MAJOR CREDIT CARDS!
When ordering parts, please supply:
❒ Dealer Account Number
❒ Dealer Name and Address
❒ Shipping Address (if different than billing address)
❒ Return Fax Number
❒ Applicable Model Number
❒ Quantity, Part Number and Description of Each Part
❒ Specify Preferred Method of Shipment:
✓ UPS/Fed Ex ✓ DHL
■ Priority One ✓ Tr uck
■ Ground
■ Next Day
■ Second/Third Day
If you have an MQ Account, to obtain a Username
and Password, E-mail us at: parts@multiquip.
com.
To obtain an MQ Account, contact your
District Sales Manager for more information.
Order via Internet (Dealers Only):
Order parts on-line using Multiquip’s SmartEquip website!
■ View Parts Diagrams
■ Order Parts
■ Print Specification Information
Note: Discounts Are Subject To Change
Goto www.multiquip.com and click on
Order Parts
to log in and save!
Use the internet and qualify for a 5% Discount
on Standard orders for all orders which include
complete part numbers.*
Order via Fax (Dealers Only):
All customers are welcome to order parts via Fax.
Domestic (US) Customers dial:
1-800-6-PARTS-7 (800-672-7877)
Fax your order in and qualify for a 2% Discount
on Standard orders for all orders which include
complete part numbers.*
Order via Phone:
Domestic (US) Dealers Call:
1-800-427-1244
Best Deal!
International Customers should contact
their local Multiquip Representatives for
Parts Ordering information.
Non-Dealer Customers:
Contact your local Multiquip Dealer for
parts or call 800-427-1244 for help in
locating a dealer near you.
Note: Discounts Are Subject To Change
Effective:
January 1st, 2006
NOTICE
All orders are treated as Standard Orders and will
ship the same day if received prior to 3PM PST.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 5
SAFETY INFORMATION
Do not operate or service the equipment before reading the
entire manual. Safety precautions should be followed at all
times when operating this equipment. Failure to read and
understand the safety messages and operating instructions
could result in injury to yourself and others.
SAFETY MESSAGES
The four safety messages shown below will inform you
about potential hazards that could injure you or others. The
safety messages specifi cally address the level of exposure
to the operator and are preceded by one of four words:
DANGER, WARNING, CAUTION or NOTICE.
SAFETY SYMBOLS
DANGER
Indicates a hazardous situation which, if not avoided,
WILL result in DEATH or SERIOUS INJURY.
WARNING
Potential hazards associated with the operation of this
equipment will be referenced with hazard symbols which
may appear throughout this manual in conjunction with
safety messages.
Indicates a hazardous situation which, if not avoided,
COULD result in DEATH or SERIOUS INJURY.
CAUTION
Indicates a hazardous situation which, if not avoided,
COULD result in MINOR or MODERATE INJURY.
NOTICE
Addresses practices not related to personal injury.
PAGE 6 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
SAFETY INFORMATION
GENERAL SAFETY
CAUTION
NEVER operate this equipment without proper protective
clothing, shatterproof glasses, respiratory protection,
hearing protection, steel-toed boots and other protective
devices required by the job or city and state regulations.
NEVER operate this equipment when not
feeling well due to fatigue, illness or when
under medication.
NEVER operate this equipment under the infl uence of
drugs or alcohol.
ALWAYS check the equipment for loosened threads or
bolts before starting.
DO NOT use the equipment for any purpose other than
its intended purposes or applications.
NEVER use accessories or attachments that are not
recommended by MQ Power for this equipment. Damage
to the equipment and/or injury to user may result.
ALWAYS know the location of the nearest
fi re extinguisher.
ALWAYS know the location of the nearest
fi rst aid kit.
ALWAYS know the location of the nearest
phone or keep a phone on the job site. Also, know the
phone numbers of the nearest ambulance, doctor and
fi re department. This information will be invaluable in
the case of an emergency.
GENERATOR SAFETY
DANGER
NEVER operate the equipment in an explosive
atmosphere or near combustible materials. An
explosion or fi re could result causing severe
bodily harm or even death.
WARNING
NOTICE
This equipment should only be operated by trained and
qualifi ed personnel 18 years of age and older.
Whenever necessary, replace nameplate, operation and
safety decals when they become diffi cult read.
Manufacturer does not assume responsibility for any
accident due to equipment modifi cations. Unauthorized
equipment modifi cation will void all warranties.
NEVER disconnect any emergency or safety devices.
These devices are intended for operator safety.
Disconnection of these devices can cause severe injury,
bodily harm or even death. Disconnection of any of these
devices will void all warranties.
CAUTION
NEVER lubricate components or attempt service on a
running machine.
NOTICE
ALWAYS ensure generator is on level ground before use.
ALWAYS keep the machine in proper running condition.
Fix damage to machine and replace any broken parts
immediately.
ALWAYS store equipment properly when it is not being
used. Equipment should be stored in a clean, dry location
out of the reach of children and unauthorized personnel
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 7
SAFETY INFORMATION
ENGINE SAFETY
DANGER
The engine fuel exhaust gases contain poisonous carbon
monoxide. This gas is colorless and odorless, and can
cause death if inhaled.
The engine of this equipment
requires an adequate free
fl ow of cooling air. NEVER
operate this equipment in
any enclosed or narrow area
where free fl ow of the air is
restricted. If the air fl ow is
restricted it will cause injury to people and property and
serious damage to the equipment or engine.
WARNING
DO NOT place hands or fingers inside engine
compartment when engine is running.
NEVER operate the engine with heat shields or
guards removed.
Keep fi ngers, hands hair and clothing away
from all moving parts to prevent injury.
DO NOT remove the radiator cap while the
engine is hot. High pressure boiling water
will gush out of the radiator and severely
scald any persons in the general area of
the generator.
DO NOT remove the coolant drain plug while the engine
is hot. Hot coolant will gush out of the coolant tank and
severely scald any persons in the general area of the
generator.
DO NOT remove the engine oil drain plug while the
engine is hot. Hot oil will gush out of the oil tank and
severely scald any persons in the general area of the
generator.
CAUTION
NEVER touch the hot exhaust manifold,
muffl er or cylinder. Allow these parts to cool
before servicing equipment.
NOTICE
NEVER run engine without an air fi lter or with a dirty air
fi lter. Severe engine damage may occur. Service air fi lter
frequently to prevent engine malfunction.
NEVER tamper with the factory settings
of the engine or engine governor. Damage
to the engine or equipment can result
if operating in speed ranges above the
maximum allowable.
Wet stacking is a common problem with diesel engines
which are operated for extended periods with light or
no load applied. When a diesel engine operates without
suffi cient load (less than 40% of the rated output), it will
not operate at its optimum temperature. This will allow
unburned fuel to accumulate in the exhaust system,
which can foul the fuel injectors, engine valves and
exhaust system, including turbochargers, and reduce
the operating performance.
In order for a diesel engine to operate at peak effi ciency,
it must be able to provide fuel and air in the proper ratio
and at a high enough engine temperature for the engine
to completely burn all of the fuel.
Wet stacking does not usually cause any permanent
damage and can be alleviated if additional load is
applied to relieve the condition. It can reduce the system
performance and increase maintenance. Applying an
increasing load over a period of time until the excess
fuel is burned off and the system capacity is reached
usually can repair the condition. This can take several
hours to burn off the accumulated unburned fuel.
State Health Safety Codes and Public Resources
Codes specify that in certain locations, spark arresters
must be used on internal combustion engines that use
hydrocarbon fuels. A spark arrester is a device designed
to prevent accidental discharge of sparks or fl ames
from the engine exhaust. Spark arresters are qualifi ed
and rated by the United States Forest Service for this
purpose. In order to comply with local laws regarding
spark arresters, consult the engine distributor or the
local Health and Safety Administrator.
PAGE 8 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
SAFETY INFORMATION
FUEL SAFETY
DANGER
DO NOT start the engine near spilled fuel or combustible
fl uids. Diesel fuel is extremely fl ammable and its vapors
can cause an explosion if ignited.
ALWAYS refuel in a well-ventilated area, away from
sparks and open fl ames.
ALWAYS use extreme caution when working with
fl ammable liquids.
DO NOT fi ll the fuel tank while the engine is running
or hot.
DO NOT overfi ll tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or sparks from
the ignition system.
Store fuel in appropriate containers, in well-ventilated
areas and away from sparks and fl ames.
NEVER use fuel as a cleaning agent.
DO NOT smoke around or near the
equipment. Fire or explosion could result
from fuel vapors or if fuel is spilled on a
hot engine.
TOWING SAFETY
CAUTION
Check with your local county or state safety
towing regulations, in addition to meeting
Department of Transportation (DOT)
Safety Towing Regulations, before towing
your generator.
Refer to MQ Power trailer manual for additional safety
information.
In order to reduce the possibility of an accident while
transporting the generator on public roads, ALWAYS
make sure the trailer that supports the generator and
the towing vehicle are mechanically sound and in good
operating condition.
ALWAYS shutdown engine before transporting
Make sure the hitch and coupling of the towing vehicle
are rated equal to, or greater than the trailer “gross
vehicle weight rating.”
ALWAYS inspect the hitch and coupling for wear. NEVER
tow a trailer with defective hitches, couplings, chains, etc.
Check the tire air pressure on both towing vehicle and
trailer. Trailer tires should be infl ated to 50 psi cold.
Also check the tire tread wear on both vehicles.
ALWAYS make sure the trailer is equipped with a safety
chain.
ALWAYS properly attach trailer’s safety chains to towing
vehicle.
ALWAYS make sure the vehicle and trailer directional,
backup, brake and trailer lights are connected and
working properly.
DOT Requirements include the following:
• Connect and test electric brake operation.
• Secure portable power cables in cable tray with tie
wraps.
The maximum speed for highway towing is 55 MPH unless
posted otherwise. Recommended off-road towing is not to
exceed 15 MPH or less depending on type of terrain.
Avoid sudden stops and starts. This can cause skidding,
or jack-knifi ng. Smooth, gradual starts and stops will
improve towing.
Avoid sharp turns to prevent rolling.
Trailer should be adjusted to a level position at all times
when towing.
Raise and lock trailer wheel stand in up position when
towing.
Place chock blocks underneath wheel to prevent rolling
while parked.
Place support blocks underneath the trailer’s bumper
to prevent tipping while parked.
Use the trailer’s swivel jack to adjust the trailer height to
a level position while parked.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 9
SAFETY INFORMATION
ELECTRICAL SAFETY
DANGER
DO NOT touch output terminals during
operation. Contact with output terminals
during operation can cause electrocution,
electrical shock or burn.
The electrical voltage required to
operate the generator can cause severe
injury or even death through physical contact with live
circuits. Turn generator and all circuit breakers OFF
before performing maintenance on the generator or
making contact with output terminals.
NEVER insert any objects into the output
receptacles during operation. This is
extremely dangerous. The possibility exists
of electrical shock, electrocution or
death.
Backfeed to a utility system can cause
electrocution and/or property damage.
NEVER connect the generator to a
building’s electrical system without
a transfer switch or other approved
device. All installations should be
performed by a licensed electrician in accordance with
all applicable laws and electrical codes. Failure to do so
could result in electrical shock or burn, causing serious
injury or even death.
Make sure power cables are securely connected to the
generator’s output receptacles. Incorrect connections
may cause electrical shock and damage to the
generator.
NOTICE
ALWAYS make certain that proper power or extension
cord has been selected for the job. See Cable Selection
Chart in this manual.
Grounding Safety
DANGER
ALWAYS make sure that electrical circuits are properly
grounded to a suitable earth ground (ground rod) per
the National Electrical Code (NEC) and local codes
before operating generator. Severe injury or death by
electrocution can result from operating an ungrounded
generator.
NEVER use gas piping as an electrical ground.
Power Cord/Cable Safety
DANGER
NEVER let power cords or cables lay in water.
NEVER stand in water while AC power from the
generator is being transferred to a load.
NEVER use damaged or worn cables or cords when
connecting equipment to generator. Inspect for cuts in
the insulation.
NEVER grab or touch a live power
cord or cable with wet hands. The
possibility exists of electrical shock,
electrocution or death.
PAGE 10 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
SAFETY INFORMATION
BATTERY SAFETY
DANGER
DO NOT drop the battery. There is a possibility that the
battery will explode.
DO NOT expose the battery to open fl ames,
sparks, cigarettes, etc. The battery contains
combustible gases and liquids. If these
gases and liquids come into contact with a
fl ame or spark, an explosion could occur.
WARNING
ALWAYS wear safety glasses when handling
the battery to avoid eye irritation. The battery
contains acids that can cause injury to the
eyes and skin.
Use well-insulated gloves when picking up the battery.
ALWAYS keep the battery charged. If the battery is not
charged, combustible gas will build up.
ENVIRONMENTAL SAFETY
NOTICE
Dispose of hazardous waste properly.
Examples of potentially hazardous waste
are used motor oil, fuel and fuel fi lters.
DO NOT use food or plastic containers to
dispose of hazardous waste.
DO NOT pour waste, oil or fuel directly onto the ground,
down a drain or into any water source.
ALWAYS recharge the battery in a well-ventilated
environment to avoid the risk of a dangerous concentration
of combustible gasses.
If the battery liquid (dilute sulfuric acid) comes into
contact with clothing or skin, rinse skin or clothing
immediately with plenty of water.
If the battery liquid (dilute sulfuric acid) comes into
contact with eyes, rinse eyes immediately with plenty
of water and contact the nearest doctor or hospital to
seek medical attention.
CAUTION
ALWAYS disconnect the NEGATIVE battery terminal
before performing service on the generator.
ALWAYS keep battery cables in good working condition.
Repair or replace all worn cables.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 11
Table 1. Generator Specifi cations
Model
Type
Armature Connection Star with Neutral
Phase
Standby Output
Prime Output
Voltage — 1Ø
Voltage — 3Ø
Frequency
Speed
Power Factor
Aux. AC Power
Aux. Voltage/Output
Sound Level dB (A)
Full Load at 23 ft. (7.0 Meters)
Dry Weight
Wet Weight
Maximum Lifting Capacity
Table 2. Engine Specifi cations
Model
Type
No. of Cylinders
Bore x Stroke
Displacement
Rated Output
Starting
Coolant Capacity
Lube Oil Capacity
Fuel Type
Fuel Tank Capacity
14.7 gal. (55.8 L)/hr at full load 10.9 gal. (41.2 L)/hr at 3/4 load
Fuel Consumption
7.5 gal. (28.5 L)/hr at 1/2 load 4.4 gal. (16.6 L)/hr at 1/4 load
Battery
open protected type synchronous generator
8,203 lbs. (3,720 kg)/8,303 lbs. (3,766 kg)
9,305 lbs. (4, 220 kg)/9,360 lbs. (4, 245 kg)/
DCA250SSI/DCA250SSIU
Revolving fi eld, self ventilated,
220 kW (275 kVA)
200 kW (250 kVA)
120,127,139, 240, 254 and 277V
208, 220, 240, 416, 440 and 480V
60 Hz
1800 rpm
0.8
Single Phase, 60 Hz
120VAC/4.8 Kw (2.4 kW x 2)
16,500 lbs. (7,484 kg)
ISUZU BH6UZ1X EPA Tier 3 Certifi ed
4 cycle, water-cooled, direct injection,
turbo-charged air-cooled
6 cylinders
4.72 in. x 5.71 in. (120 mm x 145 mm)
600 cu. in. (9,839 cc)
308 HP at 1800 rpm
Electric 24 VDC
14.3 gal. (54.0 liters)
10.8 gal. (41.0 liters)
#2 Diesel Fuel
121 gal. (460 liters)/129 gal. (490 liters)
12V-150 Ah x 2/4D CCA 925 X 2
SPECIFICATIONS
3
68
PAGE 12 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
DIMENSIONS
Figure 1. Dimensions
Table 3. Dimensions
Reference
Letter
A 39.40 in. (1,010 mm.) F 44.07 in. (1,130 mm.)
B 39.40 in. (1,010 mm.) G 147.6 in. (3,750 mm.)
C 44.07 in. (1,130 mm.) H 70.80 in. (1,800 mm.)
D 22.8 in. (585 mm.) I 55.11 in. (1,400 mm.)
E 25.19 in. (640 mm.)
Dimension in. (mm.) Reference Letter Dimension in. (mm)
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 13
INSTALLATION
Figure 2. Typical Generator Grounding Application
PAGE 14 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
INSTALLATION
OUTDOOR INSTALLATION
Install the generator in a area that is free of debris,
bystanders, and overhead obstructions. Make sure the
generator is on secure level ground so that it cannot slide
or shift around. Also install the generator in a manner so
that the exhaust will not be discharged in the direction of
nearby homes.
The installation site must be relatively free from moisture
and dust. All electrical equipment should be protected from
excessive moisture. Failure to do will result in deterioration
of the insulation and will result in short circuits and
grounding.
Foreign materials such as dust, sand, lint and abrasive
materials have a tendency to cause excessive wear to
engine and alternator parts.
CAUTION
Pay close attention to ventilation when operating the
generator inside tunnels and caves. The engine exhaust
contains noxious elements. Engine exhaust must be
routed to a ventilated area.
GENERATOR GROUNDING
To guard against electrical shock and possible damage to
the equipment, it is important to provide a good EARTH
ground.
Article 250 (Grounding) of the National Electrical Code
(NEC) provides guide lines for proper grounding and
specifi es that the cable ground shall be connected to the
grounding system of the building as close to the point of
cable entry as practical.
NEC articles 250-64(b) and 250-66 set the following
grounding requirements:
1. Use one of the following wire types to connect the
generator to earth ground.
a. Copper - 8 AWG (5.3 mm2)
b. Aluminum - 6 AWG (8.4 mm2)
2. When grounding the generator (Figure 2) connect the
ground cable between the lock washer and the nut on
the generator and tighten the nut fully. Connect the
other end of the ground cable to earth ground.
INDOOR INSTALLATION
Exhaust gases from diesel engines are extremely
poisonous. Whenever an engine is installed indoors the
exhaust fumes must be vented to the outside. The engine
should be installed at least two feet from any outside wall.
Using an exhaust pipe which is too long or too small can
cause excessive back pressure which will cause the engine
to heat excessively and possibly burn the valves.
MOUNTING
The generator must be mounted on a solid foundation (such
as concrete) and set fi rmly on the foundation to isolate
vibration of the generator when it is running. The generator
must set at least 6 inches above the fl oor or grade level (in
accordance to NFPA 110, Chapter 5-4.1). DO NOT remove
the metal skids on the bottom of the generator. They are
to resist damage to the bottom of the generator and to
maintain alignment.
3. NEC article 250-52(c) specifi es that the earth ground rod
should be buried a minimum of 8 ft. into the ground.
NOTICE
When connecting the generator to any buildings
electrical system ALWAYS consult with a licensed
electrician.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 15
GENERAL INFORMATION
GENERATOR
The MQ Power Model DCA250SSI/DCA250SSIU are 220
kW generators (Figure 3) that are designed as a high quality
portable (requires a trailer for transport) power source for
telecom sites, lighting facilities, power tools, submersible
pumps and other industrial and construction machinery.
ENGINE OPERATING PANEL
The “Engine Operating Panel” is provided with the following:
Tachometer
Emergency Stop Switch
Water Temperature Gauge
Oil Pressure Gauge
Charging Ammeter Gauge
Fuel Level Gauge
Battery Switch
Pre-Heat Lamp
Engine Alarm Lamps (DCA-250SSI 5 Alarm Lamps)
Engine Alarm Lamps (DCA-250SSIU 4 Alarm Lamps)
Engine Speed Switch
GENERATOR CONTROL PANEL
The “Generator Control Panel” is provided with the following:
Frequency Meter (Hz)
AC Ammeter (Amps)
AC Voltmeter (Volts)
Ammeter Change-Over Switch
Voltmeter Change-Over Switch
Pilot Lamp
Panel Light/Panel Light Switch
3-Pole, 800 amp Main Circuit Breaker
“Control Box” (located behind the Gen. Control Panel)
• Automatic Voltage Regulator
• Current Transformer
• Over-Current Relay
• Voltage Rectifi er
• Starter Relay
• Engine Control Unit (ECU)
• Voltage Change-Over Board
OUTPUT TERMINAL PANEL
The “Output Terminal Panel” is provided with the following:
Three 120/240V output receptacles (CS-6369), 50A
Three auxiliary circuit breakers, 50A
Two 120V output receptacles (GFCI), 20A
Two GFCI circuit breakers, 20A
Eight output busbar terminal lugs (3Ø power)
Battery Charger (Optional)
Water Heater (Optional)
OPEN DELTA EXCITATION SYSTEM
These generators are equipped with the state of the art
“Open-Delta” excitation system. The open delta system
consist of an electrically independent winding wound
among stationary windings of the AC output section.
There are four connections of the open delta A, B, C and
D. During steady state loads, the power from the voltage
regulator is supplied from the parallel connections of A to
B, A to D, and C to D. These three phases of the voltage
input to the voltage regulator are then rectifi ed and are the
excitation current for the exciter section.
When a heavy load, such as a motor starting or a short
circuit occurs, the automatic voltage regulator (AVR)
switches the confi guration of the open delta to the series
connection of B to C. This has the effect of adding the
voltages of each phase to provide higher excitation to the
exciter section and thus better voltage response during the
application of heavy loads.
The connections of the AVR to the AC output windings are
for sensing only. No power is required from these windings.
The open-delta design provides virtually unlimited excitation
current, offering maximum motor starting capabilities. The
excitation does not have a “fi xed ceiling” and responds
according the demands of the required load.
ENGINE
Each generator is powered by a 6 cylinder, water cooled,
direct injection, turbocharged air-cooled ISUZU BH6UZ1X
diesel engine. This engine is designed to meet every
performance requirement for the generator. Reference
Table 2 for engine specifi cations.
In keeping with MQ Power’s policy of constantly improving
its products, the specifi cations quoted herein are subject
to change without prior notice.
ELECTRIC GOVERNOR SYSTEM
The electric governor system controls the RPMs of the engine.
When the engine demand increases or decreases, the
governor system regulates the frequency variation to ±.25%.
EXTENSION CABLES
When electric power is to be provided to various tools or
loads at some distance from the generator, extension cords
are normally used. Cables should be sized to allow for
distance in length and amperage so that the voltage drop
between the generator and point of use (load) is held to
a minimum. Use the cable selection chart (Table 6) as a
guide for selecting proper extension cable size.
PAGE 16 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
MAJOR COMPONENTS
Table 4. Generator Major Components
ITEM NO. DESCRIPTION
1 Air Filter Assembly
2 Muffl er Assembly
3 Fuel Tank Assembly
4 Engine and Radiator Assembly
5 Generator Assembly
6 Output Receptacles Assembly
7 Output Terminal Panel Assembly
8 Circuit Breaker Assembly
9 Battery Assembly
10 Engine Operating Panel Assembly
11 Generator Control Panel Assembly
Figure 3. Major Components
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 17
GENERATOR CONTROL PANEL
Figure 4. Generator Control Panel
The defi nitions below describe the controls and functions
of the Generator Control Panel (Figure 4).
1. Pilot Lamp — Indicates the system is running.
2. Panel Light — Normally used in dark areas or at night
time. When activated, panel lights will illuminate. When
the generator is not in use be sure to turn the panel
light switch to the OFF position.
3. AC Voltmeter — Indicates the output voltage present
at the U,V, and W Output Terminal Lugs.
4. Frequency Meter — Indicates the output frequency
in hertz (Hz). Normally 60 Hz.
5. AC Ammeter — Indicates the amount of current the
load is drawing from the generator per leg selected by
the ammeter phase-selector switch.
6. Voltmeter Change-Over Switch — This switch allows
the AC voltmeter to indicate phase to phase voltage
between any two phases of the output terminals or to
be switched off.
7. Ammeter Change-Over Switch — This switch allows
the AC ammeter to indicate the current fl owing to the load
connected to any phase of the output terminals, or to be
switched off. This switch does not effect the generator
output in any fashion, it is for current reading only.
8. Panel Light Switch — When activated will turn on
control panel light.
9. Voltage Regulator Control — Allows ±15% manual
adjustment of the generator’s output voltage.
10. Main Circuit Breaker — This three-pole, 800 amp
main breaker is provided to protect the U,V, and W
Output Terminal Lugs from overload.
11. Auto On/Off Engine Controller (MPEC) —
This controller has a vertical row of status LED’s (inset),
that when lit, indicate that an engine malfunction (fault)
has been detected. When a fault
has been detected the engine
controller will evaluate the fault
and all major faults will shutdown
the generator. During cranking
cycle, The MPEC will attempt to
crank the engine for 10 seconds
before disengaging.
If the engine does not engage (start) by the third
attempt, the engine will be shutdown by the engine
controller’s Over Crank Protection mode. If the
engine engages at a speed (RPM’s) that is not safe,
the controller will shutdown the engine by initializing
the Over Speed Protection mode.
PAGE 18 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
GENERATOR CONTROL PANEL
Also the engine controller will shut down the engine in the
event of low oil pressure, high coolant temperature, low
coolant level, and loss of magnetic pickup. These conditions
can be observed by monitoring the LED status indicators
on the front of the controller module.
MPEC Control Switch — This switch controls the
running of the unit. If this switch is set to the OFF/RESET
position, the unit will not run. When this switch is set to the
manual position, the generator will start immediately.
If the generator is to be connected to a building’s AC
power source via a transfer switch (isolation), place the
switch in the AUTO position. In this position, should an
outage occur, the automatic transfer switch (ATS) will
start the generator automatically via the generator’s autostart contacts conn ected to the ATS’s start contacts.
Please refer to your ATS installation manual for further
instructions for the correct installation of the auto-start
contacts of the geerator to the ATS.
Low Oil Pressure — Indicates the engine pressure
has fallen below a safe operating level. The oil pressure
is detected using variable resistive values from the
oil pressure sending unit. This is considered a major
fault.
High Coolant Temperature — Indicates the engine
temperature has exceeded a safe operating level. The
engine temperature is detected using variable resistive
values from the temperature sending unit. This is
considered a major fault.
Located behind the generator control panel is the
Generator Control Box. This box contains some of the
necessary electronic components required to make the
generator function.
The Control Box is equipped with the following major
components:
Over-Current Relay
Voltage Rectifi er (AVR)
Starter Relay
Current Transformer
Voltage Change-Over Board
Three Phase Circuit Breaker
NOTICE
Remember the overcurrent relay monitors the current
fl owing from the U,V, and W Output Terminal Lugs
to the load.
In the event of a short circuit or over current condition,
it will automatically trip the 1000 amp main breaker.
To restore power to the Output Terminal Panel, press
the reset button on the overcurrent relay and place the
main circuit breaker in the closed position (ON).
Overcrank Shutdown — Indicates the unit has
attempted to start a pre- programmed number of
timesand has failed to start. The number of cycles and
duration are programmable. It is pre-set at 3 cycles with
a 10-second duration. This is considered a major fault.
Overspeed Shutdown — Indicates the engine is running
at an unsafe speed. This is considered a major fault.
Engine Running — Indicates that engine is running at
a safe operating speed.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 19
ENGINE OPERATING PANEL
Figure 5. Engine Operating Panel
The defi nitions below describe the controls and functions
of the Engine Operating Panel (Figure 5).
1. Tachometer — Indicates engine speed in RPM’s for 60
Hz operation. This meter should indicate 1800 RPM’s
when the rated load is applied. In addition a built in hour
meter will record the number of operational hours that
the generator has been in use.
2. Oil Pressure Gauge — During normal operation this
gauge be should read between 28 to 85 psi. (193~586
kPa). When starting the generator the oil pressure may
read a little higher, but after the engine warms up the oil
pressure should return to the correct pressure range.
3. Water Temperature Gauge — During normal operation
this gauge be should read between 167° and 203°F
(75°~95°C).
4. Charging Ammeter Gauge — Indicates the current
being supplied by the engine’s alternator which
provides current for generator’s control circuits and
battery charging system.
5. Fuel Gauge — Indicates amount of diesel fuel available.
6. Engine Warning Lamps — There are three engine
warning lamps, they are defi ned as follows:
a. Overheat Lamp — This lamp goes ON
when the cooling water temperature rises
abnormally. If the lamp goes ON during
normal operation of the generator, the
emergency shutdown device will stop the
engine automatically.
b. Low Oil Pressure Lamp — During
normal operation of the generator this
lamp should remain OFF. When the
Auto-OFF/Reset-Manual switch is set
to the MANUAL position to start the engine, the
lamp will be lit. When the oil pressure rises after
start-up the lamp will go OFF. If this lamp is ever
lit (ON) during normal operation of the generator,
the emergency shutdown device will stop the engine
automatically.
c. Low Fuel Level Lamp (DCA250SSI
Only) — When this lamp is ON, it is time
to stop the engine and add fuel.
Remember to let the engine cool before
adding fuel.
d. Air Filter Alarm — When the air fi lter
element is clogged, this lamp goes ON
indicating the element should be
immediately cleaned or replaced.
e. Coolant Level Alarm — This lamp
goes ON when the coolant level is low.
If this lamp goes ON while the engine is
in operation, the emergency shutdown
device will automatically stop the engine.
7. Engine Speed Switch — This switch controls the
speed of the engine (low/high).
8. Pre-Heat Lamp — When ECU is placed in AUX
position, pre-heat lamp will be ON. When pre-heat
cycle is completed, lamp will turn OFF.
9. Emergency Stop Button — Push this button inward to
stop the engine in the event of an emergency. DO NOT
use this button as a means of stopping the engine.
10. Battery Switch — This switch should be set to the ON
position during normal operation. When the engine has
been stop, place this switch in the OFF position. DO
NOT turn this switch during normal operation, it could
cause damage to the electrical equipment.
PAGE 20 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
NOTES
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 21
OUTPUT TERMINAL PANEL FAMILIARIZATION
OUTPUT TERMINAL PANEL
The Output Terminal Panel (Figure 6) shown below is
located on the right-hand side (left from control panel) of
the generator. Lift up on the cover to gain access to
receptacles and terminal lugs.
NOTICE
Terminal legs “O” and “Ground” are considered bonded
grounds.
OUTPUT TERMINAL FAMILIARIZATION
The “Output Terminal Panel ” (Figure 6) is provided with
the following:
Three (3) 120/240V output receptacles @ 50 amp
Three (3) Circuit Breakers @ 50 amps
Two (2) 120V GFCI receptacles @ 20 amp
Two (2) GFCI Circuit Breakers @ 20 amps
Eight (8) Output Busbar Terminal Lugs ( U, V, W, O,
Ground)
Figure 6. Output Terminal Panel
PAGE 22 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
OUTPUT TERMINAL PANEL FAMILIARIZATION
120 VAC GFCI Receptacles
There are two 120 VAC, 20 amp GFCI (Duplex Nema
5-20R) receptacles provided on the output terminal panel.
These receptacles can be accessed in any voltage
change-over board setting. Each receptacle is protected
by a 20 amp circuit breaker. These breakers are located
directly above the GFCI receptacles. Remember the load
output (current) of both GFCI receptacles is dependent on
the load requirements of the U, V, and W output terminal
lugs.
Pressing the reset button resets the GFCI receptacle after
being tripped. Pressing the test button (See Figure 7) in
the center of the receptacle will check the GFCI function.
Both receptacles should be tested at least once a month.
Each auxiliary receptacle is protected by a 50 amp circuit
breaker. These breakers are located directly above the
GFCI receptacles. Remember the load output (current) on
all three receptacles is dependent on the load requirements
of the Output Terminal Lugs.
Turn the voltage regulator control knob (Figure 9) on the
control panel to obtain the desired voltage. Turning the knob
clockwise will increase the voltage, turning the knob
counter-clockwise will decrease the voltage.
Figure 9. Voltage Regulator Control Knob
Figure 7. G.F.C.I. Receptacle
Twist Lock Dual Voltage 120/240 VAC Receptacles
There are three 120/240V, 50 amp auxiliary twist-lock (CS-
6369) receptacles (Figure 8) provided on the output
terminal panel. These receptacles can only be accessed
when the voltage change-over board has been confi gured
for 240V operation .
Figure 8. 120/240V Twist-Lock Auxiliary
Receptacles
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 23
OUTPUT TERMINAL PANEL FAMILIARIZATION
Connecting Loads
Loads can be connected to the generator by the Output
BusbarTerminal Lugs or the convenience receptacles
(Figure 10). Make sure to read the operation manual before
attempting to connect a load to the generator.
To protect the output terminals from overload, a 3-pole,
800A main circuit breaker is provided. Make sure to switch
ALL circuit breakers to the OFF position prior to starting
the engine.
Over Current Relay
An over current relay ( Figure 11)is connected to the main
circuit breaker. In the event of an overload, both the circuit
breaker and the over current relay may trip. If the circuit
breaker can not be reset, the reset button on the over
current relay must be pressed. The over current relay is
located in the control box.
Figure 10. Connecting Loads
Figure 11. Over Current Relay
PAGE 24 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
LOAD APPLICATION
SINGLE PHASE LOAD
Always be sure to check the nameplate on the generator
and equipment to insure the wattage, amperage, frequency,
and voltage requirements are satisfactorily supplied by the
generator for operating the equipment.
Generally, the wattage listed on the nameplate of the
equipment is its rated output. Equipment may require
130—150% more wattage than the rating on the nameplate,
as the wattage is infl uenced by the effi ciency, power factor
and starting system of the equipment.
NOTICE
If wattage is not given on the equipment’s name plate,
approximate wattage may be determined by multiplying
nameplate voltage by the nameplate amperage.
WATTS = VOLTAGE x AMPERAGE
The power factor of this generator is 0.8. SeeTable 5 below
when connecting loads.
THREE PHASE LOAD
When calculating the power requirements for 3-phase
power use the following equation:
NOTICE
If 3Ø load (kVA) is not given on the equipment
nameplate, approximate 3Ø load may be determined
by multiplying voltage by amperage by 1.732.
NOTICE
Motors and motor-driven equipment draw much greater
current for starting than during operation.
An inadequate size connecting cable which cannot carry the
required load can cause a voltage drop which can burn out
the appliance or tool and overheat the cable. SeeTable 6.
Table 5. Power Factor By Load
Type of Load Power Factor
Single-phase induction motors 0.4-0.75
Electric heaters, incandescent lamps 1.0
Fluorescent lamps, mercury lamps 0.4-0.9
Electronic devices, communication
equipment
1.0
Common power tools 0.8
Table 6. Cable Selection (60 Hz, Single Phase Operation)
Current
in
Amperes
2.5 300 600 1000 ft. 600 ft. 375 ft. 250 ft.
5 600 1200 500 ft. 300 ft. 200 ft. 125 ft.
7.5 900 1800 350 ft. 200 ft. 125 ft. 100 ft.
10 1200 2400 250 ft. 150 ft. 100 ft.
15 1800 3600 150 ft. 100 ft. 65 ft.
20 2400 4800 125 ft. 75 ft. 50 ft.
Load in Watts Maximum Allowable Cable Length
At 100
Volts
CAUTION: Equipment damage can result from low voltage
At 200
Volts
#10 Wire #12 Wire #14 Wire #16 Wire
When connecting a resistance load such as an
incandescent lamp or electric heater, a capacity of up to
the generating set’s rated output (kW) can be used.
When connecting a fl uorescent or mercury lamp, a
capacity of up to the generating set’s rated output (kW)
multiplied by 0.6 can be used.
When connecting an electric drill or other power tools,
pay close attention to the required starting current
capacity.
When connecting ordinary power tools, a capacity of up to
the generating set’s rated output (kW) multiplied by 0.8 can
be used.
DANGER
Before connecting this generator to any building’s
electrical system, a licensed electrician must install
an isolation (transfer) switch. Serious damage to
the building’s electrical system may occur without this
transfer switch.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 25
GENERATOR OUTPUTS
GENERATOR OUTPUT VOLTAGES
A wide range of voltages are available to supply voltage
for many different applications. Voltages are selected by
applying jumpers (6) to the voltage change-over board
(Figure 12). To obtain some of the voltages as listed in
Table 7 (see below) will require a fi ne adjustment using
the voltage regulator (VR) control knob located on the
control panel.
Voltage Change-Over Board
The voltage change-over board (Figure 12) is located on
the control box, behind the generator control panel. This
board has been provided for ease of voltage selection.
Generator Amperage
Maximum Amps
Table 8 shows the maximum amps the generator can
provide. DO NOT exceed the maximum amps as listed.
Table 8. Generator Maximum Amps
Model
Rated Voltage Maximum Amps
Single Phase 120 Volt 555.5 Amps (4 wire)
Single Phase 240 Volt 277.7 Amps (4 wire)
Three Phase 240 Volt 601 Amps
Three Phase 480 Volt 301 Amps
DCA250SSI/
DCA250SSIU
Figure 12. Voltage Change-Over Board
CAUTION
NEVER attempt to place jumper plates on the voltage
change-over board while the generator is in operation.
There exist the possibility of electrocution, electrical
shock or burn, which can cause severe bodily harm
or even death!
Table 7. Voltages Available
UVWO Output
Terminal Lugs
Line-Line
3Ø
1Ø Line-Neutral 120V 127V 139V 240V 254V 277V
1Ø Line-Neutral/
Line-Line
Voltage Selector Switch
3-Phase 240/139V Position
208V 220V 240V 416V 440V 480V
Voltage Selector Switch Single-Phase 240/120V Position
120V
Line-Neutral
N/A N/A
Voltage Selector Switch
3-Phase 480/270V Position
240V
Line-Line
N/A N/A
PAGE 26 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
GENERATOR OUTPUTS/GAUGE READING
HOW TO READ THE AC AMMETER AND AC
VOLTAGE GAUGES
The AC ammeter and AC voltmeter gauges are controlled
by the AC ammeter and AC voltmeter change-over
switches.
Both of these switches are located on the control panel and
DO NOT effect the generator output. They are provided to
help observe how much power is being supplied, produced
at the UVWO terminals lugs.
Jumper the voltage change-over board for 3Ø, 240V
operation (Figure 13).
AC Ammeter Gauge Reading
Place the AC Ammeter Change-Over Switch (Figure 16)
in the U position and observe the current reading (load
drain) on the U terminal as indicated on the AC Ammeter
Gauge (Figure 17). This process can be repeated for
terminals V and W.
Figure 16. AC Ammeter
Change-Over Switch
NOTICE
The ammeter gauge will only show a reading when
the Output Terminal Lugs are connected to a load
and in use.
Figure 17. AC Ammeter
(Amp Reading on U Lug)
Figure 13. Voltage Change-Over Board 240V
Confi guration
.
AC Voltmeter Gauge Reading
Place the AC Voltmeter Change-Over Switch (See Figure 14) in
the W-U position and observe the phase to phase voltage
reading between the W and U terminals as indicated on
the AC Voltmeter Gauge (Figure 15).
Figure 14. AC Voltmeter
Change-Over Switch
Figure 15. AC Voltmeter
Gauge
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 27
OUTPUT TERMINAL PANEL CONNECTIONS
UVWO TERMINAL OUTPUT VOLTAGES
Various output voltages can be obtained using the UVWO
output terminal lugs. The voltages at the terminals are
dependent on the placement of the jumpers plates (6) on
the Voltage Change-Over Board and the adjustment of
the Voltage Regulator Control Knob.
Remember the voltage change-over board determines the
range of the output voltage and can be confi gured in two
different positions that provide 6 different output voltages
at the UVWO output terminals. The generator is shipped
from the factory in the 240V confi guration. The voltage
regulator (VR) allows the user to increase or decrease the
selected voltage.
3Ø-240V UVWO Terminal Output Voltages
1. Jumper the voltage change-over board for 240V
operation as shown in Figure 18.
3. Turn the voltage regulator knob (Figure 20) clockwise
to increase voltage output, turn counterclockwise to
decrease voltage output. Use voltage regulator
adjustment knob whenever fi ne tuning of the output
voltage is required
Figure 20. Voltage Regulator Knob
1Ø-240V UVWO Terminal Output Voltages
1. Make sure the voltage change-over board is jumpered
for 240V operation as shown in Figure 18.
2. Connect the load wires to the UVWO terminals as
shown in Figure 21.
Figure 18. Voltage Change-Over Board 240V
Confi guration
2. Connect the load wires to the UVWO terminals as
shown in Figure 19.
Figure 19. UVWO Terminal Lugs
Figure 21. UVWO Terminal Lugs 1Ø-240V
Connections
1Ø-120V UVWO Terminal Output Voltages
1. Make sure the voltage change-over board is jumpered
for 240V operation as shown in Figure 18.
2. Adjust voltage regulator knob (Figure 20) for an output
of 208V to obtain 120V at the UVWO terminals.
3. Connect the load wires to the UVWO terminals as
shown in Figure 22.
Figure 22. UVWO Terminal Lugs 1Ø-120V
Connections
PAGE 28 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
OUTPUT TERMINAL PANEL CONNECTIONS
3Ø-480V UVWO Terminal Output Voltages
1. Jumper the voltage change-over board for 480V
operation as shown in Figure 23. This confi guration
uses 6 jumper plates in 3 different positions. Remember
there are 2 jumper plates at every position. Every
jumper plate must be used.
Figure 23. Voltage Change-Over Board 480V
Confi guration
2. Connect the load wires to the UVWO terminals as
shown in Figure 24.
1Ø-480V UVWO Terminal Output Voltages
1. Make sure the voltage change-over board is jumpered
for 480V operation as shown in Figure 23.
2. Connect the load wires to the UVWO terminals as
shown in Figure 25.
Figure 25. UVWO Terminal Lugs 1Ø-480V
Connections
1Ø-277V UVWO Terminal Output Voltages
1. Make sure the voltage change-over board is jumpered
for 480V operation as shown in Figure 23.
Figure 24. UVWO Terminal Lugs 3Ø-480V
Connections
NOTICE
ALWAYS make sure that the connections to the UVWO
terminals are secure and tight. The possibility of arcing
exists, that could cause a fi re.
2. Connect the load wires to the UVWO terminals as
shown in Figure 26.
Figure 26. UVWO Terminal Lugs 1Ø-277V
Connections
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 29
INSPECTION/SETUP
CIRCUIT BREAKERS
To protect the generator from an overload, a 3-pole, 800
amp, main circuit breaker is provided to protect the U,V,
and W Output Terminals from overload. In addition two
single-pole, 20 amp GFCI circuit breakers are provided to
protect the GFCI receptacles from overload. Three 50 amp
load circuit breakers have also been provided to protect the
auxiliary receptacles from overload. Make sure to switch
ALL circuit breakers to the OFF position prior to starting
the engine.
LUBRICATION OIL
Fill the engine crankcase with lubricating oil through the
fi ller hole, but DO NOT overfi ll. Make sure the generator is
level and verify that the oil level is maintained between the
two notches (Figure 27) on the dipstick. See Table 9 for
proper selection of engine oil.
FUEL CHECK
DANGER
Fuel spillage on a hot engine can cause
a fi re or explosion. If fuel spillage occurs,
wipe up the spilled fuel completely to
prevent fire hazards. NEVER smoke
around or near the generator.
Refi lling the Fuel System
CAUTION
ONLY properly trained personnel who have read
and understand this section should refi ll the fuel tank
system.
This generator has an internal fuel tank located inside
the trailer frame and may also be equipped with an
environmental fuel tank (Figure 28). ALWAYS fi ll the fuel
tanks with clean fresh #2 diesel fuel. DO NOT fi ll the fuel
tanks beyond their capacities.
Figure 27. Engine Oil Dipstick
When checking the engine oil, be sure to check if the oil is
clean. If the oil is not clean, drain the oil by removing the
oil drain plug, and refi ll with the specifi ed amount of oil as
outlined in the ISUZU Engine Owner’s Manual. Oil should
be warm before draining.
Other types of motor oils may be substituted if they meet
the following requirements:
API Service Classifi cation CC/SC
API Service Classifi cation CC/SD
API Service Classifi cation CC/SE
API Service Classifi cation CC/SF
Table 9. Recommended Motor Oil
Pay attention to the fuel tank capacity when replenishing
fuel. The fuel tank cap must be closed tightly after fi lling.
Handle fuel in a safety container. If the container does not
have a spout, use a funnel. Wipe up any spilled fuel
immediately.
Figure 28. Internal Fuel Tank System
PAGE 30 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
INSPECTION/SETUP
Refueling Procedure:
WARNING
Diesel fuel and its vapors are dangerous
to your health and the surrounding
environment. Avoid skin contact and/or
inhaling fumes.
1. Level Tanks — Make sure fuel cells are level with the
ground. Failure to do so will cause fuel to spill from the
tank before reaching full capacity (Figure 29).
CAUTION
ALWAYS place trailer on fi rm level ground before
refueling to prevent spilling and maximize the amount
of fuel that can be pumped into the tank.
2. Open cabinet doors on the “right side” of the generator
(from generator control panel position). Remove fuel
cap and fi ll tank (Figure 30).
Figure 30. Fueling the Generator
3. NEVER overfi ll fuel tank — It is important to read the
fuel gauge when fi lling trailer fuel tank. DO NOT wait
for fuel to rise in fi ller neck (Figure 31).
Figure 29. Only Fill on Level Ground
NOTICE
ONLY use #2 diesel fuel when refueling.
Figure 31. Full Fuel Tank
CAUTION
DO NOT OVERFILL fuel system. Leave room for fuel
expansion. Fuel expands when heated (Figure 32).
Figure 32. Fuel Expansion
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 31
INSPECTION/SETUP
COOLANT (ANTIFREEZE/SUMMER COOLANT/
WATER)
ISUZU recommends ISUZU antifreeze/summer coolant for
use in their engines, which can be purchased in concentrate
(and mixed with 50% demineralized water) or pre-diluted. See
the ISUZU Engine Owner’s Manual for further details.
WARNING
If adding coolant/antifreeze mix to the
radiator, DO NOT remove the radiator cap
until the unit has completely cooled. The
possibility of hot! coolant exists which can
cause severe burns.
Day-to-day addition of coolant is done from the recovery
tank. When adding coolant to the radiator, DO NOT remove
the radiator cap until the unit has completely cooled. See
Table 10 for engine, radiator, and recovery tank coolant
capacities. Make sure the coolant level in the recovery tank
is always between the “H” and the “L” markings.
Cleaning the Radiator
The engine may overheat if the radiator fi ns become
overloaded with dust or debris. Periodically clean the
radiator fi ns with compressed air. Cleaning inside the
machine is dangerous, so clean only with the engine turned
off and the negative battery terminal disconnected.
AIR CLEANER
Periodic cleaning/replacement is necessary. Inspect it in
accordance with the ISUZU Engine Owner’s Manual.
FAN BELT TENSION
A slack fan belt may contribute to overheating, or to
insuffi cient charging of the battery. Inspect the fan belt for
damage and wear and adjust it in accordance with the
ISUZU Engine Owner’s Manual.
The fan belt tension is proper if the fan belt bends 10 to 15
mm (Figure 33) when depressed with the thumb as shown
below.
Table 10. Coolant Capacity
Engine and Radiator 14.3 Gal (54 liters)
Reserve Tank 1.3 Gal (4.92 liters)
Operation in Freezing Weather
When operating in freezing weather, be certain the proper
amount of antifreeze (Table 11) has been added.
Table 11. Anti-Freeze
Operating Temperatures
Vol %
Anti-Freeze
50 -37 -34
NOTICE
When the antifreeze is mixed with water, the antifreeze
mixing ratio must be less than 50%.
Freezing Point
°C °F
Figure 33. Fan Belt Tension
CAUTION
NEVER place hands near the belts or fan
while the generator set is running.
PAGE 32 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
INSPECTION/SETUP
BATTERY
This unit is of negative ground DO NOT connect in reverse.
Always maintain battery fl uid level between the specifi ed
marks. Battery life will be shortened, if the fl uid level are
not properly maintained. Add only distilled water when
replenishment is necessary.
DO NOT over fill. Check to see whether the battery
cables are loose. Poor contact may result in poor starting
or malfunctions. Always keep the terminals firmly
tightened. Coating the terminals with an approved battery
terminal treatment compound. Replace battery with only
recommended type battery. The battery type used in this
generator is BCI Group 27.
The battery is suffi ciently charged if the specifi c gravity
of the battery fl uid is 1.28 (at 68° F). If the specifi c gravity
should fall to 1.245 or lower, it indicates that the battery is
dead and needs to be recharged or replaced.
Before charging the battery with an external electric source,
be sure to disconnect the battery cables.
When connecting battery do the following:
1. NEVER connect the battery cables to the battery
terminals when the MPEC Control Switch is in either
the MANUAL position. ALWAYS make sure that the
MPEC Control Switch is in the OFF/RESET position
when connecting the battery.
2. Place a small amount of battery terminal treatment
compound around both battery terminals. This will
ensure a good connection and will help prevent
corrosion around the battery terminals.
NOTICE
If the battery cable is connected incorrectly, electrical
damage to the generator will occur. Pay close attention to
the polarity of the battery when connecting the battery.
CAUTION
Inadequate battery connections may cause poor
starting of the generator, and create other malfunctions.
Battery Cable Installation
ALWAYS be sure the battery cables (Figure 34) are properly
connected to the battery terminals as shown below. The
red cable is connected to the positive terminal of the
battery, and the black cable is connected to the negative
terminal of the battery.
CAUTION
ALWAYS disconnect the negative terminal FIRST and
reconnect negative terminal LAST.
Figure 34. Battery Connections
ALTERNATOR
The polarity of the alternator is negative grounding type.
When an inverted circuit connection takes place, the
circuit will be in short circuit instantaneously resulting the
alternator failure.
DO NOT put water directly on the alternator. Entry of water
into the alternator can cause corrosion and damage the
alternator.
WIRING
Inspect the entire generator for bad or worn electrical wiring
or connections. If any wiring or connections are exposed
(insulation missing) replace wiring immediately.
PIPING AND HOSE CONNECTION
Inspect all piping, oil hose, and fuel hose connections for
wear and tightness. Tighten all hose clamps and check
hoses for leaks.
If any hose (fuel or oil) lines are defective replace them
immediately.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 33
GENERATOR START-UP PROCEDURE (MANUAL)
BEFORE STARTING
CAUTION
The engine’s exhaust contains harmful emissions.
ALWAYS have adequate ventilation when operating.
Direct exhaust away from nearby personnel.
Figure 37. Battery ON/OFF Switch (ON)
WARNING
NEVER manually start the engine with the main, GFCI
or auxiliary circuit breakers in the ON (closed) position.
1. Place the main, G.F.C.I., and aux. circuit breakers (Figure 35)
in the OFF position prior to starting the engine.
Figure 35. Main, Aux. and GFCI
Circuit Breakers (OFF)
2. Make sure the voltage change-over board has been
confi gured for the desired output voltage.
3. Connect the load to the receptacles or the output
terminal lugs as shown in Figure 10. These load
connection points can be found on the output terminal
panel and the output terminal panel’s hard wire hookup
panel.
4. Tighten terminal nuts securely to prevent load wires
from slipping out.
5. Close all engine enclosure doors (Figure 36).
2. Place the engine speed switch (Figure 38) in the LOW
(down) position.
Figure 38. Engine Speed Switch (Low)
3. Place the MPEC control switch in the MANUAL
position to start the engine (Figure 39).
Figure 39. MPEC Control Switch
(Manual Position)
4. Depending on the temperature of the coolant (cold
weather conditions), the pre-heat lamp (Figure 40) will
light (ON) and remain on until the pre-heating cycle has
been completed. After completion of the pre-heating
cycle, the light will go OFF and the engine will start up
automatically.
Figure 40. Pre-Heat Lamp
5. Once the engine starts, let the engine run for 1-2
minutes. Listen for any abnormal noises. If any
abnormalities exist, shut down the engine and correct
the problem. If the engine is running smoothly, place
the engine speed switch (Figure 41) in the HIGH (up)
position.
Figure 41. Engine Speed Switch (High)
6. Verify that the engine running
status LED on the MPEC unit
Figure 36. Engine Enclosure Doors
STARTING (MANUAL)
1. Place the battery ON/OFF switch (Figure 37) in the
(Figure 42) is ON (lit) after the
engine has been started.
Figure 42. Engine Running LED (ON)
ON position.
PAGE 34 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
GENERATOR START-UP PROCEDURE (MANUAL)
7. The generator’s frequency meter (Figure 43) should be
displaying the 60 cycle output frequency in HERTZ.
Figure 43. Frequency Meter
8. The generator’s AC-voltmeter (Figure 44) will display
the generator’s output in VOLTS. .
Figure 44. Voltmeter
9. If the voltage is not within the specifi ed tolerance, use
the voltage adjustment control knob (Figure 45) to
increase or decrease the desired voltage.
12. The coolant temperature gauge (Figure 48) will
indicate the coolant temperature. Under normal
operating conditions the coolant temperature should
be between 167°~203°F (75°~95°C) (Green Zone).
Figure 48. Coolant Temperature Gauge
13. The tachometer gauge (Figure 49) will indicate the
speed of the engine when the generator is operating.
Under normal operating conditions this speed is
approximately 1800 RPM’s.
Figure 49. Engine Tachometer Gauge
Figure 45. Voltage Adjust Control Knob
10. The ammeter (Figure 46) will indicate zero amps with
no load applied. When a load is applied, the ammeter
will indicate the amount of current that the load is
drawing from the generator.
Figure 46. Ammeter (No Load)
11. The engine oil pressure gauge (Figure 47) will indicate
the oil pressure of the engine. Under normal operating
conditions the oil pressure is approximately 28 to 85
psi. (193~586 kPa).
14. Place the main, GFCI, and aux. circuit breakers in the
ON position (Figure 50).
Figure 50. Main, Aux. and GFCI
Circuit Breakers (ON)
15. Observe the generator’s ammeter (Figure 51) and
verify it reads the anticipated amount of current with
respect to the load. The ammeter will only display a
current reading if a load is in use.
Figure 51. Ammeter (Load)
16. The generator will run until manually stopped or an
Figure 47. Oil Pressure Gauge
abnormal condition occurs.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 35
GENERATOR START-UP PROCEDURE (AUTO MODE)
STARTING (AUTO MODE)
DANGER
Before connecting this generator to any
building’s electrical system, a licensed
electrician must install an isolation
(transfer) switch. Serious damage to
the building’s electrical system may occur
without this transfer switch.
CAUTION
When connecting the generator to a isolation (transfer)
switch, ALWAYS have power applied to the generator’s
internal battery charger. This will ensure that the engine
will not fail due to a dead battery.
NOTICE
When the generator is set in the AUTO mode, the
generator will automatically start in the event of
commercial power falling below a prescribed level
by means of a contact closure that is generated
automatically by a transfer switch.
When starting generator in AUTO mode use the “Manual
Start-up” procedure except where noted (see below).
1. Perform steps 1 through 5 in the Before Starting section
as outlined in the Manual Starting Procedure.
2. Place the engine speed switch (Figure 52) in the
HIGH position
Figure 52. Engine Speed Switch (High)
3. Place the MPEC Control Switch (Figure 53) in the
AUTO position.
Figure 53. MPEC Control Switch (AUTO)
4. Continue operating the generator as outlined in the
Manual Start-up procedure (start at step 5).
WARNING
When running the generator in the AUTO mode,
remember the generator can start up at any time without
warning. NEVER attempt to perform any maintenance
when the generator is in the auto mode.
CAUTION
The engine speed switch must be set to the “High”
position when running in the auto-start mode. Failing
to set the switch in the proper position can result in
damage to your generator when it turns on.
NOTICE
When the MPEC control switch is placed in the AUTO
position, the engine glow plugs will be warmed and the
engine will start automatically.
PAGE 36 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
GENERATOR SHUT-DOWN PROCEDURES
WARNING
NEVER stop the engine suddenly except in an
emergency.
NORMAL SHUTDOWN PROCEDURE
To shutdown the generator, use the following procedure:
1. Place both the MAIN, GFCI and LOAD circuit breakers
as shown in Figure 35 to the OFF position.
2. Place the engine speed switch (Figure 54) in the “LOW”
(down) position.
Figure 54. Engine Speed Switch (Low)
3. Let the engine cool by running it at low speed for 3-5
minutes with no load applied.
4. Place the MPEC Control Switch (Figure 55) to the
OFF/RESET position.
EMERGENCY SHUTDOWN PROCEDURE
1. To stop the engine in the event of an emergency, PUSH
the emergency stop button (Figure 57) inward. This
button is located on the engine operating panel,
reference Figure 5.
Figure 57. Emergency Stop Button
Figure 55. MPEC Control Switch (Off/Reset)
5. Verify that all the status LEDs on the MPEC display
are OFF (not lit).
6. Place the battery ON/OFF switch (Figure 56) in the
OFF position.
Figure 56. Battery ON/OFF Switch (OFF)
7. Remove all loads from the generator.
8. Inspect entire generator for any damage or loosening of
components that may have occurred during operation.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 37
MAINTENANCE
Engine
Generator
2
10 Hrs
DAILY
250 Hrs 500 Hrs
X
X
X
Table 12. Inspection/Maintenance
Check Engine Fluid Levels X
Check Air Cleaner X
Check Battery Acid Level X
Check Fan Belt Condition X
Check for Leaks X
Check for Loosening of Parts X
Replace Engine Oil and Filter *
Clean Air Filter X
Check Fuel Filter/Water Separator Bowl X
Clean Unit, Inside and Outside X
Change Fuel Filter X
Clean Radiator and Check Coolant Protection Level*
Replace Air Filter Element *
Check all Hoses and Clamps *
Clean Inside of Fuel Tank X
Measure Insulation Resistance Over 3M ohms X
Check Rotor Rear Support Bearing X
*1 Replace engine oil and fi lter at 100 hours, fi rst time only.
*2 Add “Supplemental Coolant Additives (SCA’S)” to recharge the engine coolant.
*3 Replace primary air fi lter element when restriction indicator shows a vacuum of 625 mm (25 in. H20).
*4 If blowby hose needs to be replaced, ensure that the slope of the blowby hose is at least a 1/2 inch per foot,
with no sags or dips that could collect moisture and/or oil.
1
3
4
1000
Hrs
X
GENERAL INSPECTION
Prior to each use, the generator should be cleaned and
inspected for defi ciencies. Check for loose, missing or
damaged nuts, bolts or other fasteners. Also check for
fuel, oil, and coolant leaks. Use Table 12 as a general
maintenance guideline Engine Side (Refer to the Engine
Instruction Manual)
AIR CLEANER
Every 250 hours: Remove air cleaner element (Figure 58)
and clean the heavy duty paper element with light spray of
compressed air. Replace the air cleaner as needed.
Air Cleaner with Dust Indicator
This indicator (Figure 56) is attached to the air cleaner.
When the air cleaner element is clogged, air intake
NOTICE
The air fi lter should not be changed until the indicator
reads “RED”. Dispose of old air fi lter. It may not be
cleaned or reused.
restriction becomes greater and the dust indicator signal
shows RED meaning the element needs changing or
service. After changing the air element, press the dust
indicator button to reset the indicator.
PAGE 38 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
Figure 58. Air Cleaner/Indicator
MAINTENANCE
If the engine is operating in very dusty or dry grass
conditions, a clogged air cleaner will result. This can lead to
a loss of power, excessive carbon buildup in the combustion
chamber and high fuel consumption. Change air cleaner
more frequently if these conditions exists.
FUEL ADDITION
Add diesel fuel (the grade may vary according to season
and locations).
Removing Water from the Fuel Tank
After prolonged use, water and other impurities accumulate
in the bottom of the tank. Occasionally inspect the fuel
tank for water contamination and drain the contents if
required.
During cold weather, the more empty volume inside the
tank, the easier it is for water to condense. This can be
reduced by keeping the tank full with diesel fuel.
Cleaning Inside the Fuel Tank
Drain the fuel inside the fuel tank completely. Using a spray
washer (Figure 59) wash out any deposits or debris that
have accumulated inside the fuel tank.
FUEL TANK INSPECTION
In addition to cleaning the fuel tank, the following
components should be inspected for wear:
Rubber Suspension — look for signs of wear or
deformity due to contact with oil. Replace the rubber
suspension if necessary.
Fuel Hoses — inspect nylon and rubber hoses for signs
of wear, deterioration and hardening.
Fuel Tank Lining — inspect the fuel tank lining for signs
of excessive amounts of oil or other foreign matter.
Replacing Fuel Filter
Replace the fuel fi lter cartridge with new one every 500
hours or so.
Loosen the drain plug at the lower top of the fuel fi lter.
Drain the fuel in the fuel body together with the mixed
water. DO NOT spill the fuel during disassembly.
Vent any air
AIR REMOVAL
If air enters the fuel injection system of a diesel engine,
starting becomes impossible. After running out of fuel,
or after disassembling the fuel system, bleed the system
according to the following procedure. See the ISUZU
Engine Manual for details.
Figure 59. Fuel Tank Cleaning
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 39
MAINTENANCE
To restart after running out of fuel, turn the switch to the
“ON” position for 15-30 seconds. Try again, if needed. This
unit is equipped with an automatic air bleeding system.
CHECK OIL LEVEL
Check the crankcase oil level prior to each use, or when the
fuel tank is fi lled. Insuffi cient oil may cause severe damage
to the engine. Make sure the generator is level. The oil
level must be between the two notches on the dipstick as
shown in Figure 27.
Replacing Oil Filter
Remove the old oil fi lter.
Apply a fi lm of oil to the gasket on the new oil fi lter.
Install the new oil fi lter.
After the oil cartridge has been replaced, the engine oil
will drop slightly. Run the engine for a while and check for
leaks before adding more oil if needed. Clean excessive
oil from engine.
FLUSHING OUT RADIATOR AND REPLACING
COOLANT
Open both cocks located at the crankcase side and at
the lower part of the radiator and drain coolant. Open
the radiator cap while draining. Remove the overfl ow
tank and drain.
RADIATOR CLEANING
The radiator (Figure 60) should be sprayed (cleaned) with
a high pressure washer when excessive amounts of dirt
and debris have accumulated on the cooling fi ns or tube.
When using a high pressure washer, stand at least 5 feet
(1.5 meters) away from the radiator to prevent damage to
the fi ns and tube.
Figure 60. Radiator Cleaning
GENERATOR STORAGE
For long term storage of the generator the following is
recommended:
Drain the fuel tank completely. Treat with a fuel stabilizer
if necessary.
Check hoses for softening and kinks. Check clamps for
signs of leakage.
Tighten both cocks and replace the overfl ow tank.
Replace with coolant as recommended by the engine
manufacturer.
Close radiator cap tightly.
Flush the radiator by running clean tap water through
radiator until signs of rust and dirt are removed. DO
NOT clean radiator core with any objects, such as a
screwdriver.
Completely drain the oil from the crankcase and refi ll if
necessary with fresh oil.
Clean the entire generator, internal and external.
Cover the generating set and store in a clean, dry place.
Disconnect the battery.
Make sure engine coolant is at proper level.
If generator is mounted on a trailer, jack trailer up and
place on blocks so tires do not touch the ground or block
and completely remove the tires.
JACKET WATER HEATER AND INTERNAL BATTERY
WARNING
Allow engine to cool when fl ushing out
radiator. Flushing the radiator while hot
could cause serious burns from water or
steam.
PAGE 40 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
CHARGER 120 VAC INPUT RECEPTACLES
(OPTIONAL)
This generator can be optionally equipped with two 120
VAC, 20 amp input receptacles located on the output
terminal panel.
MAINTENANCE
The purpose of these receptacles is to provide power via
commercial power to the jacket water heater and internal
battery charger.
These receptacles will ONLY function when commercial
power has been supplied to them (Figure 61). To apply
commercial power to these receptacles, a power cord of
adequate size will be required (Reference Table 6).
When using the generator in hot climates there is no reason
to apply power to jacket water heater. However, if the
generator will be used in cold climates it is always a good
idea to apply power to the jacket water heater at all times.
To apply power to the jacket water heater simply apply
power to the jacket water heater receptacle via commercial
power using an power cord of adequate size.
If the generator will be used daily, the battery should
normally not require charging. If the generator will be idle
(not used) for long periods of time, apply power to the
battery charger receptacle via commercial power using a
power cord of adequate size.
NOTICE
To ensure adequate starting capability, always have
power applied to the generator's internal battery
charger.
Figure 61. Battery Charger and Jacket Water
Heater Power Connections
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 41
TRAILER MAINTENANCE
TRAILER MAINTENANCE
This section is intended to provide the user with generic
trailer service and maintenance information. The service
and maintenance guidelines referenced in this section refer
to a wide range of trailers.
Remember periodic inspection of the trailer will ensure safe
towing of the generator and will prevent personal injury and
damage to the equipment.
The definitions below describe some of the major
components of a typical trailer that would be used with the
DCA400SSI Whisperwatt™ Generator.
1. Fuel Cell — Provides an adequate amount of fuel for
the equipment in use. Fuel cells must be empty when
transporting equipment.
2. Braking System — System employed in stopping
the trailer. Typical braking systems are electric, surge,
hydraulic, hydraulic-surge and air.
3. GVWR — Gross Vehicle Weight Rating (GVWR) is
the maximum number of pounds the trailer can carry,
including the fuel cell (empty).
4. Frame Length — Measurement is from the ball hitch
to the rear bumper (refl ector).
8. Tire Size — Indicates the diameter of the tire in
inches (10,12,14, etc.), and the width in millimeters
(175,185,205, etc.). The tire diameter must match the
diameter of the tire rim.
9. Tire Ply — The tire ply (layers) number is rated in
letters; 2-ply,4-ply,6-ply, etc.
10. Wheel Hub — The wheel hub is connected to the
trailer’s axle.
11. Tire Rim — Tires mounted on a tire rim. The tire rim
must match the size of the tire.
12. Lug Nuts — Used to secure the wheel to the wheel
hub. Always use a torque wrench to tighten down the
lug nuts. Reference Table 16 and Figure 64 for lug nut
tightening and sequence.
13. Axle — Indicates the maximum weight the axle can
support in pounds, and the diameter of the axle
expressed in inches. Please note that some trailers
have a double axle. This will be shown as 2-6000 lbs.,
meaning two axles with a total weight capacity of 6000
pounds.
14. Suspension — Protects the trailer chassis from shocks
transmitted through the wheels. Types of suspension
used are leaf, Q-fl ex, and air ride.
5. Frame Width — Measurement is from fender to
fender
6. Jack Stand — Trailer support device with maximum
pound requirement from the tongue of the trailer.
7. Coupler — Type of hitch used on the trailer for
towing.
15. Electrical — Electrical connectors (looms) are provided
with the trailer so the brake lights and turn signals can
be connected to the towing vehicle.
16. Application — Indicates which units can be employed
on a particular trailer.
PAGE 42 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
TRAILER MAINTENANCE
BRAKES
Trailer brakes should be inspected the fi rst 200 miles of
operation. This will allow the brake shoes and drums to seat
properly. After the fi rst 200 mile interval, inspect the brakes
every 3,000 miles. If driving over rough terrain, inspect the
brakes more frequently.
Figure 60 displays the major hydraulic surge brake
components that will require inspection and maintenance.
Please inspect these components as required using steps
1 through 8 and Table 13 as listed below:
Brake Adjustment
1. Place the trailer on jack stands. Make sure the jack
stands are placed on secure level ground.
2. Check the wheel and drum for free rotation.
3. Remove the adjusting hole cover from the adjusting
slot at the bottom brake backing plate.
4. With a screwdriver or standard adjusting tool, rotate
the star wheel of the adjuster assembly to expand the
brake shoes.
5. Adjust the brake shoes outward until the pressure of
the lining against the wheel drum makes the wheel
diffi cult to turn.
6. Adjust, rotate the star wheel in the opposite direction
until the wheel rotates freely with slight lining drag.
7. Replace the adjusting hole cover and lower the trailer
to the ground.
8. Repeat steps 1 through 7 on the remaining brakes.
Hydraulic Surge Brakes
Hydraulic surge brakes (Figure 62) should not require any
special attention with the exception of routine maintenance
such as shoe and lining replacement. Brake lines should
be periodically checked for cracks, kinks, or blockage.
Figure 62. Hydraulic Brake Components
Actuator
Hydraulic surge braking requires the installation of an
actuator at the tongue of the trailer. Remember the surge
or push of the trailer toward the tow vehicle automatically
synchronizes the trailer brakes with the tow vehicle brakes.
As the trailer pushes against the tow vehicle the actuator
telescopes together and applies force to the master cylinder,
supplying hydraulic pressure to the trailer brakes.
Periodically check and test the surge “actuator” to make sure that
it is functioning correctly. Never use an undersize actuator.
Table 13. Hydraulic Brake Troubleshooting
Symptom Possible Cause Solution
No Brakes Brake line broken or kinked? Repair or replace.
Brake lining glazed? Reburnish or replace.
Weak Brakes or Brakes Pull to
One Side
Locking Brakes
Noisy Brakes
Dragging Brakes
Trailer overloaded? Correct weight.
Brake drums scored or grooved? Machine or replace.
Tire pressure correct? Infl ate all tires equally.
Tires unmatched on the same axle? Match tires.
Brake components loose, bent or
broken?
Brake drums out-of-round? Replace.
System lubricated? Lubricate.
Brake components correct? Replace and correct.
Brake lining thickness incorrect or
not adjusted correctly?
Enough brake fl uid or correct fl uid?
Replace components.
Install new shoes and
linings.
Replace rubber parts
fi ll with dot 4 fl uid.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 43
TRAILER MAINTENANCE
TIRES/WHEELS/LUG NUTS
Tires and wheels are a very important and critical
components of the trailer. When specifying or replacing the
trailer wheels it is important the wheels, tires, and axle are
properly matched.
CAUTION
ALWAYS wear safety glasses when
removing or installing force fi tted parts.
Failure to comply may result in serious
injury.
CAUTION
DO NOT attempt to repair or modify a
wheel. DO NOT install in inner tube to
correct a leak through the rim. If the rim
is cracked, the air pressure in the inner
tube may cause pieces of the rim to explode (break off)
with great force and cause serious eye or bodily injury.
Tire Wear/Infl ation
Suspension
The leaf suspension springs and associated components
(Figure 63) should be visually inspected every 6,000 miles
for signs of excessive wear, elongation of bolt holes, and
loosening of fasteners. Replace all damaged parts
(suspension) immediately. Torqued suspension components
as detailed in Table 15.
Figure 63. Major Suspension Components
Tire infl ation pressure is the most important factor in tire
life. Pressure should be checked cold before operation DO
NOT bleed air from tires when they are hot!. Check infl ation
pressure weekly during use to insure the maximum tire life
and tread wear.
Table 14 (Tire Wear Troubleshooting) will help pinpoint the
causes and solutions of tire wear problems.
Table 14. Tire Wear Troubleshooting
Wear Pattern Cause Solution
Center Wear Over infl ation.
Edge Wear Under infl ation.
Side Wear
Toe Wear Incorrect toe-in. Align wheels.
Cupping Out-of-balance.
Flat Spots
Loss of camber
or overloading.
Wheel lockup and
tire skidding.
Adjust pressure to particular
load per tire manufacturer.
Adjust pressure to particular
load per tire manufacturer.
Make sure load does not
exceed axle rating.
Align wheels.
Check bearing adjustment
and balance tires.
Avoid sudden stops when
possible and adjust brakes.
Table 15. Suspension Torque Requirements
Item Torque (Ft.-Lbs.)
3/8" U-Bolt Min-30 Max-35
7/16" U-Bolt Min-45 Max-60
1/2" U-Bolt Min-45 Max-60
Shackle Bolt
Spring Eye Bolt
Shoulder Type
Shackle Bolt
Snug fi t only. Parts must rotate freely.
Locking nuts or cotter pins are
provided to retain nut-bolt assembly.
Min-30 Max-50
PAGE 44 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
Lug Nut Torque Requirements
It is extremely important to apply and maintain proper wheel
mounting torque on the trailer. Be sure to use only the
fasteners matched to the cone angle of the wheel. Proper
procedure for attachment of the wheels is as follows:
1. Start all wheel lug nuts by hand.
2. Torque all lug nuts in sequence (Reference Figure 64).
DO NOT torque the wheel lug nuts all the way down.
Tighten each lug nut in 3 separate passes as defi ned
by Table 16.
3. After fi rst road use, retorque all lug nuts in sequence.
Check all wheel lug nuts periodically.
Table 16. Tire Torque Requirements
Wheel Size
12" 20-25 35-40 50-65
13" 20-25 35-40 50-65
14" 20-25 50-60 90-120
15" 20-25 50-60 90-120
16" 20-25 50-60 90-120
First Pass
FT-LBS
Second Pass
FT-LBS
Third Pass
FT-LBS
TRAILER MAINTENANCE
Figure 64. Wheel Lug Nuts
Tightening Sequence
NOTICE
NEVER use an pneumatic air gun to tighten wheel
lug nuts.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 45
TRAILER WIRING DIAGRAM
Figure 65. Trailer/Towing Vehicle Wiring Diagram
PAGE 46 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
GENERATOR WIRING DIAGRAM
Figure 66. Generator Wiring Diagram
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 47
ENGINE WIRING DIAGRAM
Figure 67. Engine Wiring Diagram
PAGE 48 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
CONTROLLER WIRING DIAGRAM
Figure 68. Controller Wiring Diagram
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 49
TROUBLESHOOTING (GENERATOR)
Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a
breakdown, use Table 17 shown below for diagnosis of the Generator. If the problem cannot be remedied, consult our
company’s business offi ce or service plant.
Table 17. Generator Troubleshooting
Symptom Possible Problem Solution
AC Voltmeter defective? Check output voltage using a voltmeter.
Is wiring connection loose? Check wiring and repair.
No Voltage Output
Low Voltage Output
High Voltage Output
Circuit Breaker Tripped
Is AVR defective? Replace if necessary.
Defective Rotating Rectifi er? Check and replace.
Defective Exciter Field? Check for approximately 19 ohms across J & K on CN1
Is engine speed correct? Turn engine throttle lever to “High”.
Is wiring connections loose? Check wiring and repair.
Defective AVR? Replace if necessary.
Is wiring connections loose? Check wiring and repair.
Defective AVR? Replace if necessary.
Short Circuit in load? Check load and repair.
Over current? Confi rm load requirements and reduce.
Defective circuit breaker? Check and replace.
Over current Relay actuated? Confi rm load requirement and replace.
PAGE 50 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
TROUBLESHOOTING (ENGINE CONTROLLER)
Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown,
use Table 18 (Engine Controller Troubleshooting) as a basic guideline for troubleshooting the Microprocessor Engine Controller
unit (MPEC). If the problem cannot be remedied, consult our company's business offi ce or service plant.
Table 18. Engine Controller Troubleshooting (MPEC)
Symptom Possible Problem Solution
Low oil level? Fill oil level.
Low oil pressure light is on.
Low coolant level light is on.
(Optionally installed)
High coolant temperature
light is on.
Overcrank light is on.
Oil pressure sending unit failure? Replace oil pressure sending unit.
Time delay malfunction in controller? Refer to dealer.
Wire shorted? Inspect/repair wire.
Low coolant level? Fill coolant level.
Sending unit failure? Replace sending unit.
Low battery voltage? Replace/charge battery.
Fan belt tension incorrect? Tighten/replace fan belt.
Air fl ow is not circulating through radiator? Clean/repair radiator grill.
Doors open? Close doors.
Exhaust leaking? Replace/repair gaskets or faulty part.
Generator being overloaded? Check/reduce load.
Thermostat failure? Replace thermostat.
Air intake blocked? Clean all air intakes.
Temperature switch failure Replace temperature switch.
No or low fuel? Fill fuel level.
Controller needs to be calibrated? Refer to dealer.
RPM engine speed too high? Adjust RPM.
Overspeed light is on.
Loss of MPU light(s) or on.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 51
Governor actuator needs to be adjusted? Adjust governor actuator.
Governor controller needs to be adjusted? Adjust governor controller.
Engine controller needs to be calibrated? Refer to dealer.
Magnetic pick up out of adjustment? Adjust magnetic pick up.
Magnetic pick up dirty? Clean magnetic pick up.
TROUBLESHOOTING (DIAGNOSTIC LAMP)
The engine controller of this generator diagnoses problems
that arise from the engine control system and the engine
itself. Press the diagnostic button (Figure 69) on the
diagnostic panel to determine if an engine malfunction has
occurred.
Figure 69. Diagnostic Panel
METHOD OF OPERATION
1. Normally, the diagnostic lamp will be dimly lit when
the MPEC Control Switch is placed in the MANUAL
position.
2. If engine trouble occurs, the diagnostic lamp will be
brightly lit as long as the control switch is left in the
manual position.
3. The diagnostic lamp will indicate that an engine
malfunction has occurred.
NOTICE
For a complete understanding of error codes and
troubleshooting procedures, refer to the enclosed
engine instruction manual.
NOTICE
If the engine is cranked while the diagnostic switch is in
the “ON” position, the engine will not be stopped even if
the starter switch is turned to the “OFF” position. In such
case, turn the diagnostic switch to the “OFF” position.
PAGE 52 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
NOTES
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 53
EXPLANATION OF CODE IN REMARKS COLUMN
r
r
The following section explains the different symbols and
remarks used in the Parts section of this manual. Use the
help numbers found on the back page of the manual if there
are any questions.
NOTICE
The contents and part numbers listed in the parts
section are subject to change without notice. Multiquip
does not guarantee the availability of the parts listed.
SAMPLE PARTS LIST
NO. PART NO. PART NAME QTY. REMARKS
1 12345 BOLT ......................1 .....INCLUDES ITEMS W/%
2% WASHER, 1/4 IN. ...........NOT SOLD SEPARATELY
2% 12347 WASHER, 3/8 IN. ...1 .....MQ-45T ONLY
3 12348 HOSE ..................A/R ...MAKE LOCALLY
4 12349 BEARING ..............1 .....S/N 2345B AND ABOVE
NO. Column
Unique Symbols — All items with same unique
symbol
QTY. Column
Numbers Used — Item quantity can be indicated by a
number, a blank entry, or A/R.
A/R (As Required) is generally used for hoses or othe
parts that are sold in bulk and cut to length.
A blank entry generally indicates that the item is not sold
separately. Other entries will be clarified in the “Remarks”
Column.
REMARKS Column
Some of the most common notes found in the “Remarks”
Column are listed below. Other additional notes needed
to describe the item can also be shown.
Assembly/Kit — All items on the parts list with the
same unique symbol will be included when this item is
purchased.
Indicated by:
“INCLUDES ITEMS W/(unique symbol)”
(@, #, +, %, or >) in the number column belong to the
same assembly or kit, which is indicated by a note in the
“Remarks” column.
Duplicate Item Numbers — Duplicate numbers indicate
multiple part numbers, which are in effect for the same
general item, such as different size saw blade guards in
use or a part that has been updated on newer versions
of the same machine.
NOTICE
When ordering a part that has more than one item
number listed, check the remarks column for help in
determining the proper part to order.
PART NO. Column
Numbers Used — Part numbers can be indicated by a
number, a blank entry, or TBD.
TBD (To Be Determined) is generally used to show a
part that has not been assigned a formal part number
Serial Number Break — Used to list an effective serial
number range where a particular part is used.
Indicated by:
“S/N XXXXX AND BELOW”
“S/N XXXX AND ABOVE”
“S/N XXXX TO S/N XXX”
Specific Model Number Use — Indicates that the part
is used only with the specific model number or model
number variant listed. It can also be used to show a
part is NOT used on a specific model or model numbe
variant.
Indicated by:
“XXXXX ONLY”
“NOT USED ON XXXX”
“Make/Obtain Locally” — Indicates that the part can
be purchased at any hardware shop or made out of
available items. Examples include battery cables, shims,
and certain washers and nuts.
PAGE 54 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
SUGGESTED SPARE PARTS
DCA250SSI/DCA250SSIU WHISPERWATT GENERATORS
WITH ISUZU BH6UZ1X DIESEL ENGINE
1 to 3 units
QTY. P/N DESCRIPTION
1............M5311500003 ....... HOSE, RADIATOR UPPER
1............M5311500103 ....... HOSE, RADIATOR LOWER
1............0602011059 ..........RADIATOR CAP
1............0605505025 .......... FUEL CAP (DCA250SSI)
1............0605505070 .......... FUEL CAP (DCA250SSIU)
3............1136714730 ..........V-BELT SET
1............0602122272 .......... OIL PRESSURE UNIT
1............0602123267 ..........WATER TEMPERATURE UNIT
1............813NLU0000T ...... SWITCH, COOLANT LEVEL
6............0605505105 .......... FILTER, FUEL TANK (DCA250SSI ONLY)
6............8980758551 .......... FILTER, FUEL PRIMARY
6............8980088400 .......... ELEMENT, MAIN FUEL FILTER
6............1132402322 .......... FILTER, OIL CARTRIDGE, MAIN
3............0602046618 .......... ELEMENT AIR CLEANER INNER
3............0602046617 .......... ELEMENT AIR CLEANER OUTER
1............0601808803 .......... CIRCUIT BREAKER 1P 20A
1............0601808804 .......... CIRCUIT BREAKER 2P 50A
2............LY2DUS24VDC ....RELAY
NOTICE
Part number on this Suggested Spare Parts list may
supersede/replace the P/N shown in the text pages of
this book.
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 55
GENERATOR ASSY.
PAGE 56 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
GENERATOR ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 C1110100802 ROTOR ASSY .............................. 1 ............. INCLUDES ITEMS W/#
1-1# FIELD ASSY 1
1-2# 0601842334 RESISTOR, 80W 100K OHM 1
1-3# 0601823282 RECTIFIER 1
1-4# 0018205020 HEX HD. CAP SCREW 2
1-4A# 0032005000 WASHER, LOCK 2
1-4B# 0401450050 WASHER, FLAT 2
1-5# 8171070002 FAN 1
1-6# 8171611003 COUPLING DISK 9
1-7# C1164200004 WASHER, COUPLING HUB 1
1-8# 8171015003 BALANCING PLATE .................... 1 ............. PURCHASE ITEM 1-11 AS A SET
1-9# 0012116045 HEX HEAD BOLT 8
1-10# 0042616000 WASHER, LOCK 8
1-11# 0601000209 BALANCING WEIGHT KIT 1
1-12# C1112500004 BEARING FLANGE 1
1-13# 0071906314 BEARING 1
2# 8171614003 COUPLING RING 1
3# 0010312030 HEX HEAD BOLT 8
4# 0042512000 WASHER, LOCK 8
5# 0012112040 HEX HEAD BOLT 8
6# 0042512000 WASHER, LOCK 8
7 C1130100103 STATOR ASSY 1
7-1 0226100420 RUBBER SEAL 1
7-2 8171323004 CLAMPER 1
7-3 0223300120 RUBBER SEAL 1
7-4 8171323103 CLAMPER 1
7-5 0221200300 RUBBER SEAL 1
7-6 0010110035 HEX HEAD BOLT 2
7-7 031110160 WASHER, FLAT 2
7-8 C1132200003 COVER 1
7-9 0226000510 RUBBER SEAL 1
7-10 0225000470 RUBBER SEAL 1
7-11 011106015 HEX HEAD BOLT 6
7-12 0601850144 GROMMET 1
8 C1154000002 END BRACKET 1
9 C1138000003 FIELD ASSY EXCITER 1
10 0012110065 HEX HEAD BOLT 4
10A 0042610000 WASHER, LOCK 4
10B 031110160 WASHER, FLAT 4
11 0017112045 HEX HEAD BOLT 6
12 C1154400004 COVER, BEARING 1
13 C1154300004 GASKET, BEARING 1
14 0010106060 HEX HEAD BOLT 4
14A 0040006000 WASHER, LOCK 4
14B 952404470 WASHER, FLAT 4
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 57
GENERATOR ASSY. (CONTINUED)
PAGE 58 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
GENERATOR ASSY. (CONTINUED)
NO. PART NO. PART NAME QTY. REMARKS
15 C1154400103 SUCTION COVER 1
16 011106015 HEX HEAD BOLT 8
17 0012112040 HEX HEAD BOLT 12
18 0042512000 WASHER, LOCK 12
19 C1132300114 COVER, FAN 1
20 0340406040 HEX HEAD BOLT 1
20A 952404470 WASHER, FLAT 1
20B 020106050 NUT 1
21 0605000012 RUBBER SUSPENSION 2
22 0030020000 HEX NUT 4
22A 030220510 WASHER, LOCK 4
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 59
ENGINE OPERATING PANEL ASSY.
PAGE 60 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
ENGINE OPERATING PANEL ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 C3351100603 OPERATING PANEL ...................................1 ................DCA250SSI
1 M5351100103 OPERATING PANEL ...................................1 ................DAC250SSIU
2 0019206015 HEX HEAD BOLT 8
3 0176060030 HEX NUT 4
4 1823200010 BATTERY SWITCH .....................................1 ................REPLACES P/N 0602101001
5 0021008080 MACHINE SCREW 2
5A 020108060 SELF- LOCKING NUT 2
5B 0040008000 WASHER, LOCK 2
5C 0401450080 WASHER, FLAT 2
6 0601830710 ENGINE SPEED SWITCH 1
7 0601831589 EMERGENCY STOP BUTTON 1
9 0602103091 PREHEAT LAMP 1
9A 0601810244 BULB, DC28V 1
10 0602120095 TACHOMETER 1
11 0602122093 OIL PRESSURE GAUGE 1
12 0601842450 VOLTAGE DIVIDER 1
13 0602123092 WATER TEMPERATURE GAUGE 1
14 0602121081 CHARGING AMMETER 1
15 0602125091 FUEL GAUGE 1
16 0602103091 ALARM LAMP 5
16A 0601810244 BULB, DC28V 5
17 M5484000003 SET FRAME 1
18 0016910030 HEX HEAD BOLT 2
18A 021112140 HEX NUT 2
19 0016910030 HEX HEAD BOLT 3
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 61
CONTROL BOX ASSY.
PAGE 62 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
CONTROL BOX ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 M5214000002 CONTROL BOX 1
2 0601809667 CURRENT TRANSFORMER 3
3 011808015 MACHINE SCREW 6
4 M7030041000Q CIRCUIT BREAKER, 800A .........................1 ................DCA250SSI
4 0601807519 CIRCUIT BREAKER, 800A .........................1 ................DCA250SSIU
4A 0601827410 BUS BAR .....................................................2 ................DCA250SSIU
5 0601820601 AUTOMATIC VOLTAGE REGULATOR 1
5A 0601806681 FUSE, 250V 8A 1
6 0027105015 MACHINE SCREW 4
7 0601842468 RESISTOR, 5W150 OHM 1
8 0027103010 MACHINE SCREW 2
9 C1274000103 CHANGE- OVER BOARD, VOLTAGE..........1 ................DCA250SSI
9 M4273000003 CHANGE- OVER BOARD, VOLTAGE..........1 ................DCA250SSIU
10 8181852104 CHANGE TERMINAL 10
11 011606025 HEX HEAD BOLT 20
12 C0277200004 TERMINAL PLATE 3
13 8181853104 CHANGE PLATE 6
14 012210020 HEX HEAD BOLT 13
15 0040010000 WASHER, LOCK 13
16 0041410000 WASHER, FLAT 13
17 012210020 HEX HEAD BOLT 13
19 0040010000 WASHER, LOCK 13
20 0041410000 WASHER, FLAT 13
21 011208030 HEX HEAD BOLT 4
22 M5261500003 SET PANEL, ELECTRIC PARTS 1
23 011008020 HEX HEAD BOLT ........................................4 ................
24 8981264350 CONTROLLER ............................................1 ................DCA250SSI
24 8981359690 CONTROLLER ............................................1 ................DCA250SSIU
25 C3260503104 BRACKET 1
26 011106015 HEX HEAD BOLT 4
27 0602103091 DIAGNOSTIC LAMP 1
27A 0601810244 BULB, DC28V 1
28 0601831205 DIAGNOSTIC BUTTON 1
29 0601830710 DIAGNOSTIC SWITCH 1
30 0601830746 HIGH IDLE ADJUST SWITCH 1
31 011106015 HEX HEAD BOLT 4
32 0601821370 RECTIFIER 1
33 0027104020 MACHINE SCREW 1
34 LY2DUS24VDC RELAY .........................................................4 ................REPLACES P/N 0601827655
34A PTF08A SOCKET ......................................................4 ................REPLACES P/N 0601823109
34B PYCA1 HOLDER .....................................................4 ................REPLACES P/N 0601824400
REPLACES P/N 0017108020
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 63
CONTROL BOX ASSY. (CONTINUED)
PAGE 64 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
CONTROL BOX ASSY. (CONTINUED)
NO. PART NO. PART NAME QTY. REMARKS
36 8972177780 SENSOR, BAROMETRIC PRESSURE ......1 ................REPLACES P/N 0602130220
37 7538070 MACHINE SCREW 2
38 8980056310 RELAY, STARTER .......................................1 ................REPLACES P/N 0602201401
39 011808015 MACHINE SCREW 2
40 8980137900 RELAY .........................................................2 ................REPLACES P/N 0602202682
41 0027105015 MACHINE SCREW 2
42 8944607061 RELAY, GLOW PLUG ..................................1 ................REPLACES P/N 0602202683
43 0027105015 MACHINE SCREW 2
44 0601515154 TERMINAL BLOCK 1
45 7538070 MACHINE SCREW 2
46 8121468300 SENSOR, INLET AIR TEMP (DCA250SSI). 1 ................REPLACES P/N 0603210240
47 C2224000513 CONTROL PANEL 1
48 C2224001504 CONTROL PANEL ......................................1 ................DCA250SSI
48 M5224000104 CONTROL PANEL ......................................1 ................DCA250SSIU
48-1 0228800190 RUBBER SEAL 2
48-2 0228800115 RUBBER SEAL 2
49 0605011211 PIN 2
50 0601807622 FREQUENCY METER, 45~65Hz 200V 1
51 0601806980 AC AMMETER, O~400A 0~800A 1
52 0601801040 CHANGE- OVER SWITCH, AMMETER 1
53 0601806887 AC VOLTMETER, O~600V 1
54 0601801041 CHANGE- OVER SWITCH, VOLTMETER 1
55 0601810072 PILOT LAMP 1
55A 0601810261 BULB 1
56 0601840073 RHEOSTAT (VR), 2W 1K OHM 1
57 0601840100 KNOB 1
58 ECU9988N220V ENGINE CONTROLLER, ECU-9988N 1
58A 0021004040 MACHINE SCREW 2
58B OEMAA8 SELF-LOCKING NUT ..................................2 ................REPLACES P/N 0207004000
59 0601830765 SWITCH ......................................................1 ................DCA250SSI
59 82608 SWITCH ......................................................1 ................DCA250SSIU
60 0601810171 PANEL LIGHT 1
61 OEMAA8 HEX NUT 2
61A 0027104020 MACHINE SCREW 2
62 0601830710 SWITCH, PANEL LIGHT 1
63 C9221100004 HEX HEAD BOLT 2
63A 0040008000 WASHER, LOCK 2
63B 0401450080 WASHER, FLAT 2
63C 0080200007 SNAP RING 2
64 0017108040 HEX HEAD BOLT 4
65 3871824004 STOPPER, CONTROL PANEL ...................1 ................DCA250SSI
65 M4213600104 STOPPER, CONTROL PANEL ...................1 ................DCA250SSIU
66 952404470 WASHER, FLAT 1
67 505015300 SNAP PIN 1
68 0601820892 OVER CURRENT RELAY 1
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 65
CONTROL BOX ASSY. (CONTINUED)
PAGE 66 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
CONTROL BOX ASSY. (CONTINUED)
NO. PART NO. PART NAME QTY. REMARKS
70 0027104020 MACHINE SCREW 2
71 0601802204 FUSE HOLDER 1
72 0027103020 MACHINE SCREW 2
73 0601806671 FUSE, 15A 2
74 0601802149 FUSE, 10A 2
75 C3358201704 FUSE HOLDER ASSY ................................1 ................REPLACES M2357202104
75A 0601806644 FUSE, 30A 1
75B 0601802410 BRACKET, FUSE HOLDER 1
76 011106015 HEX HEAD BOLT 1
77 0601815153 TERMINAL BLOCK 1
78 0027104020 MACHINE SCREW 2
79 C2214500004 COVER, CONTROL BOX 1
80 011008020 HEX HEAD BOLT ........................................8 ................
81 C2214300004 SIDE PANEL, CONTROL BOX 1
82 011008020 HEX HEAD BOLT ........................................4 ................REPLACES P/N 0017108020
83 M5214400004 PANEL, CONTROL BOX 1
84 0016910030 HEX HEAD BOLT 10
85 0016910030 HEX HEAD BOLT 4
86 0601806640 FUSE, 65A 1
87 0290000140 RAIL 1
88 7538070 MACHINE SCREW 2
89 C2261600204 BRACKET, CIRCUIT BREAKER .................1 ................DCA250SSI
89 M5261600004 BRACKET, CIRCUIT BREAKER .................1 ................DCA250SSIU
90 011008020 HEX HEAD BOLT ........................................4 ................REPLACES P/N 0017108020
REPLACES P/N 0017108020
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 67
ENGINE AND RADIATOR ASSY.
PAGE 68 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
ENGINE AND RADIATOR ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 M5924200004 ENGINE, ISUZU BH6UZ1X 1
1A 1136714730 FAN BELT ....................................................1 ................REPLACES P/N 0602015251
1-1 8980088400 ELEMENT,FUEL FILTER .............................2 ................REPLACES P/N 0602042515
1-2 1132402322 CARTRIDGE, OIL FILTER ..........................2 ................REPLACES P/N 0602041217
1-3 1815107171 SENSOR, PICK UP ENGINE ......................1 ................REPLACES P/N 0602120401
1-4 8980305320 PVC FILTER ELEMENT ..............................1 ................REPLACES P/N 0602044210
2 0602046538 AIR CLEANER 1
2A 0602046618 ELEMENT, AIR CLEANER 1
2B 0602046617 ELEMENT, AIR CLEANER 1
2-1 0602040666 DUST SENSOR 1
3 0605000011 RUBBER SUSPENSION 2
4 0030016000 HEX NUT 4
5 0040016000 WASHER, LOCK 4
6 C1924200244 RADIATOR 1
6-1 0602011059 CAP, RADIATOR 2
6-1A C1494101904 ACOUSTIC SHEET .....................................1 ................DCA250SSI
6-1A M5494101704 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
7 0010118070 HEX HEAD BOLT 6
8 0040018000 WASHER, LOCK 6
9 0041218000 WASHER, FLAT 6
10 M5311200004 BRACKET, RADIATOR 2
11 0017112025 HEX HEAD BOLT 6
12 M5311500003 RADIATOR HOSE, UPPER 1
13 M5311500103 RADIATOR HOSE, LOWER 1
14 0605515290 HOSE BAND 14
15 C3310400004 PIPE, RADIATOR 1
16 C3310500404 RADIATOR HOSE 2
17 M5311500303 INTER- COOLER HOSE 1
18 M5311500203 INTER- COOLER HOSE 1
19 0605515214 HOSE BAND 1
20 0605515235 HOSE BAND 1
21 0605515236 HOSE BAND 1
22 0605515238 HOSE BAND 1
23 C0321200004 DRAIN PIPE 1
24 C0321300004 DRAIN PLUG 1
25 C9101000104 JOINT 1
26 0802024004 PACKING 1
27 0802025004 JOINT 1
28 0805008004 PACKING 1
29 0019208025 HEX HEAD BOLT 2
30 0265801000 HOSE 1
31 0602022294 JOINT 1
32 0603325017 VALVE 1
33 0605515074 HOSE BAND 2
34 0802081003C RESERVE TANK 1
34A 0802010900 CAP, RESERVE TANK 1
35 C1317100103 BRACKET, RESERVE TANK 1
36 011008020 HEX HEAD BOLT ........................................2 ................REPLACES P/N 0017108020
36A 020108060 SELF- LOCKING NUT 2
37 0602022929 JOINT 1
38 0199901000 HOSE 1
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 69
ENGINE AND RADIATOR ASSY. (CONTINUED)
PAGE 70 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
ENGINE AND RADIATOR ASSY. (CONTINUED)
NO. PART NO. PART NAME QTY. REMARKS
39 0199900350 HOSE 1
40 0199900650 HOSE 1
41 0193602300 HOSE 1
42 0605515170 HOSE BAND 6
43 0193600550 HOSE 1
44 0193601300 HOSE 1
45 M5324300004 HOSE 1
46 M5324300104 HOSE 1
47 0602022536 ADAPTOR 4
48 0602122272 OIL PRESSURE UNIT 1
48-1 M5324500004 BUSH, 1/8" NPT 1
48-2 0602021182 PACKING 1
49 0602123267 WATER TEMPERATURE UNIT 1
50 M5311300004 FAN GUARD 1
51 M5311300103 FAN GUARD 1
52 011008020 HEX HEAD BOLT .......................................11 ...............REPLACES P/N 0017108020
53 813NLU0000T COOLANT LEVEL SWITCH 1
54 M5374000004 AIR CLEANER PIPE 1
55 M5374000104 AIR CLEANER PIPE 1
56 0602040363 HUMP REDUCER 1
57 0602040364 HUMP REDUCER 1
58 0605515129 HOSE BAND ...............................................2 ................DCA250SSI ONLY
59 0605515166 HOSE BAND ...............................................3 ................DCA250SSI
59 0605515202 HOSE BAND ...............................................3 ................DCA250SSIU
60 0605515141 HOSE BAND ...............................................1 ................DCA250SSI
60 0605515197 HOSE BAND ...............................................2 ................DCA250SSIU
61 0605515074 HOSE BAND ...............................................1 ................DCA250SSI
61 0605515149 HOSE BAND ...............................................1 ................DCA250SSIU
62 0602040365 90 DEGREE ELBOW 1
63 0602040559 AIR CLEANER BAND .................................2 ................DCA250SSI
63 0602040558 AIR CLEANER BAND .................................2 ................DCA250SSIU
63A 011008020 HEX HEAD BOLT ........................................4 ................REPLACES P/N 0017108020
63B 020108060 HEX NUT 4
64 M5374200004 BRACKET, AIR CLEANER 1
65 011008020 HEX HEAD BOLT ........................................4 ................REPLACES P/N 0017108020
66 M5324400004 BRACKET, OIL FILTER 1
67 011208025 HEX HEAD BOLT 4
68 0010110110 HEX HEAD BOLT 2
69 0010110140 HEX HEAD BOLT 3
70 021112140 SELF- LOCKING NUT 5
71 0041610000 WASHER, FLAT 5
72 M5304200004 ENGINE FOOT 2
73 0012810025 HEX HEAD BOLT 8
74 0603306395 JOINT 1
75 0605511395 BALL VALVE 1
76 0603300285 LOCK NUT 1
77 0602022581 ADAPTER 1
78 0602022561 ELBOW 90° 1
79 0603306590 MALE BULKHEAD CONNECTOR 1
80 0602021070 CAP, OIL DRAIN 1
81 0269201100 HOSE 1
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 71
OUTPUT TERMINAL ASSY.
PAGE 72 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
OUTPUT TERMINAL ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 C2231700403 SET BOARD, OUTPUT TERMINAL ............1 ................DCA250SSI
1 M5230700003 SET BOARD, OUTPUT TERMINAL ............1 ................DCA250SSIU
2 C0277500004 OUTPUT TERMINAL ...................................8 ................DCA250SSI
2 M9220100914 OUTPUT TERMINAL ...................................8 ................DCA250SSIU
3 0801830904 HEX HEAD BOLT ........................................8 ................DCA250SSI
3 M9220101004 HEX HEAD BOLT ........................................8 ................DCA250SSIU
4 0039320000 HEX NUT 16
5 030220510 WASHER, LOCK 24
6 0041420000 WASHER, FLAT 32
7 3501860604 TERMINAL PLATE ......................................3 ................DCA250SSI
7 M5233200004 TERMINAL PLATE ......................................3 ................DCA250SSIU
8 0019210040 HEX HEAD BOLT 5
9 0601808803 CIRCUIT BREAKER, 1P 20A 2
10 0601808804 CIRCUIT BREAKER, 2P 50A 3
11 C3261600704 BRACKET, CIRCUIT BREAKER .................1 ................DCA250SSI
11 M4260600104 BRACKET, CIRCUIT BREAKER .................1 ................DCA250SSIU
11-1 0221200150 RUBBER CUSHION 1
12 011206020 HEX HEAD BOLT 2
13 0601814013 RECEPTACLE, GF20LA 2
14 0601811034 RECEPTACLE, CS-6369 3
15 0025304015 MACHINE SCREW 10
15A OEMAA8 HEX NUT 10
16 C2234500104 COVER ........................................................1 ................DCA250SSI
16 M4236400204 COVER ........................................................1 ................DCA250SSIU
17 011206020 HEX HEAD BOLT ........................................8 ................DCA250SSI
17 0019206015 HEX HEAD BOLT ........................................8 ................DCA250SSIU
18 0601815324 TERMINAL BOARD ....................................1 ................DCA250SSI
18 0601815194 TERMINAL BOARD ....................................1 ................DCA250SSIU
19 0025304015 MACHINE SCREW 2
20 0601850275 GROMMET 1
21 0601851780 GROMMET 2
21 0603306775 BLIND PLUG 2
22 C2237102303 COVER, OUTPUT TERMINAL ....................1
22 M5236100003 COVER, OUTPUT TERMINAL ....................1
23 012212045 HEX HEAD BOLT 2
24 031112230 WASHER, FLAT 2
25 0805009804 STAY RUBBER ............................................2 ................DCA25SSI
25 M9310200104 STAY RUBBER ............................................2 ................DCA25SSIU
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 73
OUTPUT TERMINAL ASSY.
PAGE 74 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
OUTPUT TERMINAL ASSY.
NO. PART NO. PART NAME QTY. REMARKS
26 0030012000 HEX NUT 2
27 0845043704 SPRING .......................................................2 ................DCA250SSI
27 M9210000204 SPRING .......................................................2 ................DCA250SSIU
28 C2237101204 COVER 1
29 011008020 HEX HEAD BOLT ........................................7 ................
30 C2237102403 COVER, OUTPUT TERMINAL ....................1 ................DCA250SSI
30 M5236100104 COVER, OUTPUT TERMINAL ....................1 ................DCA250SSIU
31 014210040 HEX HEAD BOLT 2
32 0845054204 COLLAR ......................................................2 ................DCA250SSI
32 M9116000004 COLLAR ......................................................2 ................DCA250SSIU
33 0805009804 STAY RUBBER 1
34 C2237101504 COVER ........................................................1 ................DCA250SSI
34 M4236100604 COVER ........................................................1 ................DCA250SSIU
35 C2237400104 BRACKET ...................................................1 ................DCA250SSI
35 M4236400304 BRACKET ...................................................1 ................DCA250SSIU
36 011106015 HEX HEAD BOLT 2
REPLACES P/N 0017108020
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 75
BATTERY ASSY. (DCA250SSI)
PAGE 76 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
BATTERY ASSY. (DCA250SSI)
NO. PART NO. PART NAME QTY. REMARKS
1 0165511551 BATTERY 2
2 C9109100604 BATTERY SHEET 2
3 3972250004 BATTERY BAND 1
4 7612252004 BATTERY BOLT 2
5 57216 WING NUT 2
6 0040008000 WASHER, LOCK 2
7 031108160 WASHER, FLAT 2
8 C3347602004 BATTERY CABLE 1
9 C1347601704 BATTERY CABLE 1
10 C2347600204 BATTERY CABLE 1
11 C1347601804 BATTERY CABLE 1
12 C1347200304 EARTH CABLE 1
13 0347010030 HEX HEAD BOLT 4
14 0208110000 HEX NUT 4
15 0845040414 TERMINAL CAP (+) 2
16 0845041304 TERMINAL CAP (-) 2
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 77
BATTERY ASSY. (DCA250SSU)
PAGE 78 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
BATTERY ASSY. (DCA250SSU)
NO. PART NO. PART NAME QTY. REMARKS
1 0602220196 BATTERY 2
2 M9310500404 BATTERY SHEET .......................................2 ................NO LONGER AVAILABLE
3 M9104000004 BATTERY BAND 1
4 0602220921 BATTERY BOLT 12" 2
8 M5347900004 BATTERY CABLE 1
9 M5347900104 BATTERY CABLE 1
10 M5347900204 BATTERY CABLE 1
11 M5347900304 BATTERY CABLE 1
12 M5347200004 EARTH CABLE 1
13 0017114025 HEX HEAD BOLT 1
13A 0040514000 TOOTH WASHER 1
14 0017112025 HEX HEAD BOLT 1
14A 0040512000 TOOTH WASHER 1
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 79
MUFFLER ASSY.
PAGE 80 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
MUFFLER ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 M5331100002 MUFFLER 1
2 0016910030 HEX HEAD BOLT 4
3 M5334000003 EXHAUST PIPE 1
4 1141451920 GASKET ......................................................1 ................REPLACES P/N 0602320109
5 C1334200304 GASKET ......................................................1 ................DCA250SSI
5 M4333200004 GASKET ......................................................1 ................DCA250SSIU
6 1094000270 HEX HEAD NUT ..........................................4 ................REPLACES P/N 0602323005
6A 1095000070 WASHER .....................................................4 ................REPLACES P/N 0602323202
7 55553 HEX HEAD BOLT ........................................4 ................REPLACES P/N 0010312050
7A 0042512000 WASHER, LOCK 4
7B 031112230 WASHER, FLAT 4
8 M5334300004 BRACKET 1
9 011008020 HEX HEAD BOLT ........................................4 ................
10 0603320129 U- BOLT 2
11 0207310000 SUPER LOCK NUT 4
12 C2331300004 COVER 2
13 011008020 HEX HEAD BOLT ........................................4 ................REPLACES P/N 0017108020
REPLACES P/N 0017108020
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 81
FUEL TANK ASSY.
PAGE 82 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
FUEL TANK ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 C1364002103 FUEL TANK .................................................1 ................DCA250SSI
1 M5364000002 FUEL TANK .................................................1 ................DCA250SSIU
1-1 0605505025 CAP, FUEL TANK ........................................1 ................DCA250SSI
1-1 0605505070 CAP, FUEL TANK ........................................1 ................DCA250SSIU
1-2 0605505105 FUEL FILTER ..............................................1 ................DCA250SSI
1-3 0264100525 HOSE, FUEL GAUGE .................................1 ................DCA250SSI
1-4 0605515079 HOSE BAND ...............................................2 ................DCA250SSI
2 0605503023 FUEL SENSOR 1
2 0605501069 FUEL SENSOR 1
3 0802120604 PACKING 1
3 0605516090 GASKET 1
4 0605501093 UNIT, FUEL .................................................1 ................DCA250SSI
5 0605516090 PACKING .....................................................1 ................DCA250SSI
6 0022905015 MACHINE SCREW 5
7 8195523104 TANK BAND ................................................2 ................DCA250SSI
7 M5364200004 TANK BAND ................................................2 ................DCA250SSIU
8 0805003414 PAD, TANK BAND ........................................4 ................DCA250SSI
8 M9310500104 PAD, TANK BAND ........................................4 ................DCA250SSIU
9 011008020 HEX HEAD BOLT 2 REPLACES P/N 0019208020
10 0207308000 SUPER LOCK NUT 2
11 0222100300 TANK SHEET 6
12 0130206000 STREET ELBOW, 1/2" ................................1 ................DCA250SSI
12A 0605515198 HOSE BAND ...............................................1 ................DCA250SSIU
13 0134306200 DRAIN PIPE ................................................1 ................DCA250SSI
13A M1363400104 DRAIN PIPE ................................................1 ................DCA250SSIU
14 0603325026 VALVE, 1/2" .................................................1 ................DCA250SSI
14A 1502025103C OIL DRAIN JOINT .......................................1 ................DCA250SSIU
15 0132006000 PLUG, 1/2" ..................................................1 ................DCA250SSI
15A 0150000018 O-RING .......................................................1 ................DCA250SSIU
16 C1367700304 LOCK PLATE ...............................................1 ................DCA250SSI
16A 0802011104 FUEL DRAIN BOLT .....................................1 ................DCA250SSIU
17 011008020 HEX HEAD BOLT ........................................2 ................REPLACES P/N 0017108020
18 0845039604 RUBBER SEAL ...........................................1 ................DCA250SSI
19 M5367700004 BRACKET 1
20 0017110025 HEX HEAD BOLT ........................................2 ................REPLACES P/N 0019210025
21 8980758551 PRIMARY FUEL FILTER ASSY ..................2 ................REPLACES P/N 0602042405
21A 8980758540 ELEMENT, PRIMARY FUEL FILTER ..........2 ................REPLACES P/N 0602042516
22 8980955010 JOINT PIPE .................................................4 ................REPLACES P/N 0602042662
23 1096750951 EYE BOLT ...................................................4 ................REPLACES P/N 0602042621
24 1096301110 PACKING .....................................................8 ................REPLACES P/N 0602021702
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 83
FUEL TANK ASSY.
PAGE 84 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
FUEL TANK ASSY.
NO. PART NO. PART NAME QTY. REMARKS
25 0010110080 HEX HEAD BOLT 2
25A 0040010000 WASHER, LOCK 2
25B 031110160 WASHER, FLAT ..........................................2 ................REPLACES P/N 0041210000
25C 021112140 HEX NUT 2
26 0010110045 HEX HEAD BOLT 4
26A 0040010000 WASHER, LOCK 4
26B 031110160 WASHER, FLAT ..........................................4 ................REPLACES P/N 0041210000
26C 021112140 HEX NUT 4
27 0130406000 T-JOINT, 1/2" 2
28 0130206000 STREET ELBOW, 1/2" 6
29 0602022209 HOSE JOINT 6
30 0131506000 NIPPLE,1/2" 2
31 0191402700 SUCTION HOSE 1
31 0191402600 SUCTION HOSE 1
32 0191400700 SUCTION HOSE 4
33 0191400550 SUCTION HOSE 1
34 0191403300 RETURN HOSE 1
35 0605515132 HOSE BAND ..............................................14 ...............DCA250SSI
35 0605515198 HOSE BAND ..............................................14 ...............DCA250SSIU
36 C3366704804 BRACKET ...................................................1 ................DCA250SSI
36 M5366700104 BRACKET ...................................................1 ................DCA250SSIU
37 011008020 HEX HEAD BOLT ........................................2 ................REPLACES P/N 0019208020
37A 020108060 HEX NUT
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 85
ENCLOSURE ASSY.
PAGE 86 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
ENCLOSURE ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 M5414000002 BASE ...........................................................1 ................DCA250SSI
1 M5414000102 BASE ...........................................................1 ................DCA250SSIU
2 C3414100104 FLOOR PANEL ............................................1 ................DCA250SSI
2 M1413400004 FLOOR PANEL ............................................1 ................DCA250SSIU
3 M5414100004 FLOOR PANEL 1
4 011008020 HEX HEAD BOLT .......................................12 ...............REPLACES P/N 0017108020
5 M5424000002 FRONT FRAME ..........................................1 ................DCA250SSI
5 M5424000102 FRONT FRAME ..........................................1 ................DCA250SSIU
5A C1494101803 ACOUSTIC SHEET .....................................1 ................DCA250SSI
5A M5494100003 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
6 031110160 HEX HEAD BOLT ........................................8 ................DCA250SSI
6 0017110025 HEX HEAD BOLT ........................................8 ................DCA250SSIU
7 C1424203403 COVER, FRONT FRAME ............................1 ................DCA250SSI
7 M5424200203 COVER, FRONT FRAME ............................1 ................DCA250SSIU
8 M5424200103 COVER, FRONT FRAME ............................1 ................DCA250SSI
8A C1494200004 ACOUSTIC SHEET .....................................1 ................DCA250SSI
8A M5494101604 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
9 011008020 HEX HEAD BOLT .......................................23 ...............REPLACES P/N 0017108020
10 0845042703 FILTER BRACKET 1 DCA250SSI
11 011008020 HEX HEAD BOLT (DCA250SSI) .................4 ................REPLACES P/N 0017108020
12 M5434000002 CENTER FRAME 1
12A C1494200004 ACOUSTIC SHEET .....................................1 ................DCA250SSI
12A M5494200004 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
13 0010114050 HEX HEAD BOLT 4
13A 515455840 HEX NUT .....................................................4 ................REPLACES P/N 0030014000
13B 030214350 WASHER, LOCK .........................................4 ................REPLACES P/N 0040014000
13C 031114260 WASHER, FLAT ..........................................8 ................REPLACES P/N 0041214000
14 0010120045 HEX HEAD BOLT 4
14A 0030020000 HEX NUT 4
14B 030220510 WASHER, LOCK 4
14C 0041220000 WASHER, FLAT 8
15 C2367700404 COVER ........................................................1 ................DCA250SSI
15 M5366700204 COVER ........................................................1 ................DCA250SSIU
16 011008020 HEX HEAD BOLT (DCA250SSI) .................2 ................REPLACES P/N 0017108020
16 0019208025 HEX HEAD BOLT ........................................2 ................DCA250SSIU
17 M5444000002 REAR FRAME 1
17A C1494301404 ACOUSTIC SHEET 1
17A M5494300204 ACOUSTIC SHEET 1
18 031110160 HEX HEAD BOLT ........................................4 ................DCA250SSI
18 0019208025 HEX HEAD BOLT ........................................4 ................DCA250SSIU
19 M5434200003 COVER, REAR FRAME 1
19A C1494301604 ACOUSTIC SHEET .....................................1 ................DCA250SSI
19A M5494300104 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
20 M5434200104 PANEL 1
20A C1494301504 ACOUSTIC SHEET 1
20A M5494300004 ACOUSTIC SHEET 1
49 011008020 HEX HEAD BOLT .......................................32 ...............REPLACES P/N 0017108020
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 87
ENCLOSURE ASSY. (CONTINUED)
PAGE 88 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
ENCLOSURE ASSY. (CONTINUED)
NO. PART NO. PART NAME QTY. REMARKS
21 011008020 HEX HEAD BOLT .......................................12 ...............REPLACES P/N 0017108020
22 011008020 HEX HEAD BOLT .......................................14 ...............REPLACES P/N 0017108020
23 M5444200003 DOOR, REAR FRAME 1
24 M5444200103 DOOR, REAR FRAME 1
25 8225147004 WINDOW PLATE .........................................2 ................DCA250SSI
25 M5443600004 WINDOW PLATE .........................................2 ................DCA250SSIU
26 020106050 SELF- LOCKING U NUT ............................12 ...............REPLACES P/N 0207306000
26A 952404470 WASHER, FLAT 12 REPLACES P/N 0041206000
27 B9114000102 DOOR HANDLE ..........................................1 ................DCA250SSI
27 M9113000202 DOOR HANDLE ..........................................1 ................DCA250SSIU
28 0027106016 MACHINE SCREW .....................................4 ................REPLACES P/N 0021806015
28A 020106050 HEX NUT .....................................................4 ................REPLACES P/N 0030006000
29 C3444700004 DOOR ROD .................................................1 ................DCA250SSI
29 M9114300004 DOOR ROD .................................................1 ................DCA250SSIU
30 8195146304 DOOR ROD .................................................1 ................DCA250SSI
30 M9114300104 DOOR ROD .................................................1 ................DCA250SSIU
31 0845050704 STAY ............................................................4 ................DCA250SSI
31 M9113300004 STAY ............................................................4 ................DCA250SSIU
32 0176060030 HEX NUT .....................................................8 ................REPLACES P/N 0207006000
33 0805011304 STOPPER, DOOR.......................................1 ................DCA250SSI
33 M9113400104 STOPPER, DOOR.......................................1 ...............DCA250SSIU
34 0805011204 STOPPER, DOOR.......................................1 ................DCA250SSI
34 M9113400204 STOPPER, DOOR.......................................1 ................DCA250SSIU
35 0176060030 HEX NUT .....................................................4 ................REPLACES P/N 0207006000
36 M9110100204 HINGE 2
36A 0845045004 WASHER .....................................................2 ...............DCA250SSI
36A M9116100004 WASHER .....................................................2 ................DCA250SSIU
37 M9110100304 HINGE 2
37A 0845045004 WASHER 2 DCA250SSI
37A M9116100004 WASHER .....................................................2 ................DCA250SSIU
38 011008020 HEX HEAD BOLT ........................................6 ................REPLACES P/N 0017108020
39 0601850097 STOPPER 2
40 0027208025 MACHINE SCREW 2
41 0845031504 CAP 4
42 0600800320 MANUAL PAK 1
43 0176060030 HEX NUT .....................................................4 ................REPLACES P/N 0207006000
44 M5464100002 ROOF PANEL 1
44A C1494501104 ACOUSTIC SHEET .....................................1 ................DCA250SSI
44A M5494500104 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
45 M3310600004 COVER 1
46 011008020 HEX HEAD BOLT ........................................4 ................REPLACES P/N 0017108020
47 M5464200002 ROOF PANEL 1
47A C1494501004 ACOUSTIC SHEET .....................................1 ................DCA250SSI
47A M5494500004 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
48 M5424200003 COVER FRONT FRAME 1
50 M5454200002 SPLASHER PANEL .....................................1 ................DCA250SSI
50 M5454200102 SPLASHER PANEL .....................................1 ................DCA250SSIU
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 89
ENCLOSURE ASSY. (CONTINUED)
PAGE 90 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
ENCLOSURE ASSY. (CONTINUED)
NO. PART NO. PART NAME QTY. REMARKS
51 0019108065 HEX HEAD BOLT 6
51A 0042308000 WASHER, LOCK 6
51B 0401450080 WASHER, FLAT ..........................................6 ................REPLACES P/N 031108160
52 M5454100003 SIDE DOOR 1
52A C1494407404 ACOUSTIC SHEET .....................................1 ................DCA250SSI
52A M5494400404 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
53 M5454000003 SIDE DOOR 1
53A C1494407504 ACOUSTIC SHEET .....................................1 ................DCA250SSI
53A M5494400504 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
54 M5454000103 SIDE DOOR 1
54A C1494407604 ACOUSTIC SHEET .....................................1 ................DCA250SSI
54A M5494400604 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
55 M5454000203 SIDE DOOR 1
55A C1494407704 ACOUSTIC SHEET .....................................1 ................DCA250SSI
55A M5494400704 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
56 M5454300104 DUCT 2
56A C1494407304 ACOUSTIC SHEET 2 DCA250SSI
56A M5494400104 ACOUSTIC SHEET 2 DCA250SSIU
57 M5454300004 DUCT 2
57A C1494407204 ACOUSTIC SHEET .....................................2 ................DCA250SSI
57A M5494400004 ACOUSTIC SHEET .....................................2 ................DCA250SSIU
58 M5454300204 DUCT 1
58A C1494407004 ACOUSTIC SHEET .....................................2 ................DCA250SSI
58A M5494400204 ACOUSTIC SHEET .....................................2 ................DCA250SSIU
59 M5454300304 DUCT 1
59A C1494407104 ACOUSTIC SHEET .....................................1 ................DCA250SSI
59A M5494400304 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
60 020108060 HEX NUT 38
61 B9114000002 DOOR HANDLE 4
62 M9113000102 DOOR HANDLE 3
63 0027106016 MACHINE SCREW ....................................28 ...............REPLACES P/N 0021806015
63A 020106050 HEX NUT ....................................................28 ...............REPLACES P/N 0030006000
64 0845046904 HINGE 5
64A 0845045004 WASHER 5
65 0845047004 HINGE 6
65A 0845045004 WASHER 6
66 011008020 HEX HEAD BOLT .......................................25 ...............REPLACES P/N 0017108020
67 0601850097 STOPPER 8
68 0025408025 MACHINE SCREW 8
69 0845031504 CAP 11
70 M5464500104 GUTTER 2
71 M5464500004 GUTTER 2
72 011008020 HEX HEAD BOLT ........................................4 ................REPLACES P/N 0017108020
73 M5424000202 FRONT FRAME ..........................................1 ................DCA250SSIU
73A M5494100003 ACOUSTIC SHEET .....................................1 ................DCA250SSIU
74 011008020 HEX HEAD BOLT .......................................10 ...............DCA250SSIU
75 0017112025 HEX HEAD BOLT ........................................1 ................DCA250SSIU
75A 0040512000 TOOTHED WASHER ...................................1 ................DCA250SSIU
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 91
RUBBER SEALS ASSY.
PAGE 92 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
RUBBER SEALS ASSY.
NO. PART NO. PART NAME QTY. REMARKS
1 0229201400 RUBBER SEAL 4
2 0228901015 RUBBER SEAL 4
3 0228901310 RUBBER SEAL 3
4 0228900710 RUBBER SEAL 1
5 0228901135 RUBBER SEAL 4
6 0228901250 RUBBER SEAL 3
7 0228900650 RUBBER SEAL 1
8 0229201300 RUBBER SEAL 1
9 0221200705 RUBBER SEAL 2
10 0228801210 RUBBER SEAL 2
11 0228100510 RUBBER SEAL 4
12 0228100120 RUBBER SEAL 4
13 0229200470 RUBBER SEAL 2
14 0229201130 RUBBER SEAL 1
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 93
NAMEPLATE AND DECALS ASSY. (DCA250SSI)
PAGE 94 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
NAMEPLATE AND DECALS ASSY. (DCA250SSI)
NO. PART NO. PART NAME QTY. REMARKS
1-1 C3550000703 DECAL : OPERATING PROCEDURES ....................... 1 ................. C35000070
1-2 M9520100603 DECAL : WARNING AUTO START ..............................2 ................. REPLACES C9522100003
CONTROL BOX GROUP
2-1 0800520100 PLATE : ON- OFF......................................................... 1 ................. AT-202
2-2 0800520904 PLATE : AMMETER CHANGE- OVER SWITCH..........1 ................. N-2438
2-3 0800520814 PLATE : VOLTMETER CHANGE- OVER SWITCH ......1 ................. N-2439
2-4 0840624504 DECAL : CIRCUIT BREAKER ..................................... 1 ................. S-3031
2-5 0840624604 DECAL : PANEL LIGHT SWITCH ................................ 1 ................. S-3032
2-6 0840624704 DECAL : PILOT LAMP ................................................. 1 ................. S-3033
2-7 0840624804 DECAL : VOLTAGE REGULATOR ................................ 1 ................. S-3034
2-8 B9531100604 DECAL : WARNING : ELECTRIC SHOCK HAZARD ... 1 ................. B93110060
2-9 C0551000903 DECAL : SETTING FOR OUTPUT VOLTAGE .............. 1 ................. C05100090
2-10 C2551000004 DECAL : GENERAL CAUTIONS .................................. 1 ................. C25100000
2-11 M5551000003 DECAL : STRIPE ......................................................... 1 ................. M55190000
2-12 M9501400104 DECAL : HIGH IDLE ADJUST SWITCH ...................... 1 ................. M90140010
2-13 M9521000304 DECAL : DIAGNOSTIC LAMP .....................................1 ................. M92100030
2-14 M9520001104 DECAL : DIAGNOSTIC BUTTON ................................1 ................. M92000110
2-15 M9520000904 DECAL : DIAGNOSTIC SWITCH .................................1 ................. M92000090
ENGINE AND RADIATOR GROUP
3-1 6360610304 DECAL : WATER .......................................................... 1 ................. S-1880
3-2 6360620204 DECAL : OIL DRAIN PLUG ......................................... 1 ................. S-1885
3-3 B9504000404 DECAL : WARNING : ROTATING PART ....................... 2 ................. B9040040
3-4 B9504100104 DECAL : WARNING: RADIATOR CAP ......................... 1 ................. B90410010
3-5 M5551000103 DECAL : AIR BLEEDING PROCEDURE .....................1 ................. M55100010
ENGINE OPERATING PANEL GROUP
4-1 C0551000504 DECAL : BATTERY SWITCH .......................................1 ................. C05100050
4-2 C3550000404 DECAL : ALARM LAMP ...............................................1 ................. C35000040
4-3 C3550000503 DECAL : OPERATING PANEL ..................................... 1 ................. C35000050A
OUTPUT TERMINAL GROUP
5-1 0840614104 DECAL : GROUND ......................................................1 ................. S-2635
5-2 M9520100404 DECAL : DANGER HIGH VOLTAGE ............................ 1 ................. S-2731
5-3 9039209064 DECAL : START CONTACT ......................................... 1 ................. S-4468
5-4 B9511100304 DECAL : WARNING ..................................................... 1 ................. B91110030
5-5 B9511100404 DECAL : WARNING ELECTRIC SHOCK HAZARD ..... 1 ................. B91110040
5-6 B9531100504 DECAL : WARNING ELECTRIC SHOCK HAZARD ..... 1 ................. B93110050
5-7 C0551000404 DECAL : 3- PHASE OUTPUT TERMINAL ................... 1 ................. C05100040
5-8 C1551000803 DECAL : AUXILIARY OUTPUTS .................................. 1 ................. C15100080
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 95
NAMEPLATE AND DECALS ASSY. (CONTINUED-DCA250SSI)
PAGE 96 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
NAMEPLATE AND DECALS ASSY. (CONTINUED-DCA250SSI)
NO. PART NO. PART NAME QTY. REMARKS
BATTERY GROUP
6-1 0800689404 DECAL : + ............................................................... 1 ...................... S-2090
6-2 0800689504 DECAL : - ................................................................ 1 ...................... S-2091
6-3 C9505300004 DECAL : WARNING : BATTERY CONNECT ........... 1 ...................... C9053 0000
MUFFLER GROUP
7-1 B9504200004 DECAL : WARNING : EXHAUST GAS .................... 1 ...................... B90420000
7-2 A9504000014 DECAL : DANGER, EX GAS ................................... 1 ...................... A90400001
FUEL TANK GROUP
8-1 1320620904 DECAL : DIESEL FUEL .......................................... 1 ...................... S-1756
8-2 6360620004 DECAL : FUEL DRAIN PLUG ................................. 1 ...................... S-1883
8-3 B9504500004 DECAL : WARNING DIESEL FUEL ........................ 1 ...................... B904 0000
ENCLOSURE GROUP
9-1 1320610603 DECAL : DAILY CHECK WATER AND OIL ............. 1 ...................... S-1760
9-2 1320621504 DECAL : SUPPORT HOOK .................................... 2 ...................... S-2257
9-3 0840625902 DECAL : MQ ........................................................... 1 ...................... S-3057
9-4 B9504000304 DECAL : CAUTION HOT PARTS ............................ 1 ...................... B9040 0030
9-5 B9531100604 DECAL : WARNING ELECTRIC SHOCK HAZARD 1 ...................... B93110060
9-6 0600500090 EMBLEM 2
9-6A 0025106015 MACHINE SCREW 4
9-7 M5561100004 STRIPE 2
9-8 M5561100104 STRIPE 1
9-9 M5561100204 STRIPE 2
9-10 M5561100303 STRIPE 2
9-11 M5561100403 STRIPE 1
9-12 M3550002204 DECAL : CAUTION, LIFTING CAP ......................... 1 ...................... M350 0220
9-13 920214100 DECAL : WARMING START FIRES ........................ 1 ...................... REPLACES M9504200004
9-14 M5561100104 STRIPE 1
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 97
NAMEPLATE AND DECALS ASSY. (DCA250SSIU)
PAGE 98 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
NAMEPLATE AND DECALS ASSY. (DCA250SSIU)
NO. PART NO. PART NAME QTY. REMARKS
1-1 M5550000303 DECAL : OPERATING PROCEDURES .......................1 ................. M550030
1-2 M9520100603 DECAL : WARNING AUTO START ..............................2 ................. REPLACES C9522100003
CONTROL BOX GROUP
2-1 M5551000003 DECAL : STRIPE ......................................................... 1 ................. M55100000
2-2 M9520000104 PLATE : AMMETER CHANGE- OVER SWITCH.......... 1 ................. M92000010
2-3 M9520000204 PLATE : VOLTMETER CHANGE- OVER SWITCH ...... 1 ................. M92000020
2-4 M9522000504 DECAL : CIRCUIT BREAKER .....................................1 ................. M92200050
2-5 M9522000704 DECAL : PANEL LIGHT SWITCH ................................1 ................. M92200070
2-6 M9520001404 DECAL : PILOT LAMP .................................................1 ................. M92200070
2-7 M9520001304 DECAL : VOLTAGE REGULATOR ................................ 1 ................. M92000130
2-8 M9520001304 DECAL : SETTING FOR OUTPUT VOLTAGE .............. 1 ................. M92020030
2-9 M9520100304 DECAL : GENERAL CAUTIONS .................................. 1 ................. M92010030
2-10 M9520001204 DECAL : HIGH IDLE ADJUST SWITCH ...................... 1 ................. M90140010
2-11 M9520001004 DECAL : DIAGNOSTIC LAMP .....................................1 ................. M92100030
2-12 M9520001104 DECAL : DIAGNOSTIC BUTTON ................................1 ................. M92000110
2-13 M9520000904 DECAL : DIAGNOSTIC SWITCH .................................1 ................. M92000090
ENGINE AND RADIATOR GROUP
3-1 M9500100004 DECAL : WATER .......................................................... 1 ................. M90010000
3-2 M9500000004 DECAL : OIL DRAIN PLUG .........................................1 ................. M90000000
3-3 M9503000004 DECAL : WARNING : ROTATING PART ....................... 2 ................. M90300000
3-4 M9503100004 DECAL : WARNING: RADIATOR CAP ......................... 1 ................. M90310000
3-5 M5551000103 DECAL : AIR BLEEDING PROCEDURE .....................1 ................. M5510 0010
ENGINE OPERATING PANEL GROUP
4-1 M9520001604 DECAL : BATTERY SWITCH ....................................... 1 ................. M92000160
4-2 M5550000103 DECAL : ALARM LAMP ...............................................1 ................. M55000010
4-3 M5550000203 DECAL : OPERATING PANEL .....................................1 ................. M55000020
OUTPUT TERMINAL GROUP
5-1 M9520000004 DECAL : GROUND ...................................................... 1 ................. M92000000
5-2 M9520100404 DECAL : DANGER HIGH VOLTAGE ............................ 1 ................. M92010040
5-3 M9520000504 DECAL : START CONTACT ......................................... 1 ................. M92000050
5-4 M9520100503 DECAL : WARNING, ELECTRIC SHOCK HAZARD .... 1 ................. M92010050
5-5 M9520000704 DECAL : 3-PHASE OUTPUT TERMINAL .................... 1 ................. M92000070
5-6 M4550000103 DECAL : AUXILIARY OUTPUTS .................................. 1 ................. M45000010
DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 99
NAMEPLATE AND DECALS ASSY. (CONTINUED-DCA250SSIU)
PAGE 100 — DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11)
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