Multiquip LT12DAB User Manual
OPERATION MANUAL
NIGHTHAWK SERIES
MODEL LT12DAB
DEDICATED LIGHT TOWER
(LOMBARDINI LDW 1003 DIESEL ENGINE)
Revision #0 (06/03/11)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
PN 49498
LT12DAB Light Tower
Table Of Contents .................................................... 2
Safety Information ..............................................3-10
Lamp Footcandle Plot ............................................ 11
Specifications ...................................................12-13
Dimensions ............................................................ 14
General Information ............................................... 15
Components ..................................................... 16-17
Control Panel .................................................... 18-19
Inspection ......................................................... 20-21
Inspection ......................................................... 22-23
Operation .......................................................... 24-28
Maintenance ..................................................... 29-33
Maintenance — Trailers .................................... 34-35
Troubleshooting ................................................ 36-41
Light Tower Wiring Diagram .............................. 42-43
Lombardini Engine Wiring Diagram ....................... 44
Trailer Guidelines .............................................. 45-59
TABLE OF CONTENTS
NOTICE
Specifications are subject to change without notice.
PAGE 2 — LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11)
SAFETY INFORMATION
Do not operate or service the equipment before reading the
SAFETY SYMBOLS
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
Indicates a hazardous situation which, if not avoided,
COULD result in DEATH or SERIOUS INJURY.
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.
CAUTION
Indicates a hazardous situation which, if not avoided,
COULD result in MINOR or MODERATE INJURY.
NOTICE
Addresses practices not related to personal injury.
LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11) — PAGE 3
GENERAL SAFETY
NOTICE
This equipment should only be operated by trained and
Whenever necessary, replace nameplate, operation and
accident due to equipment modifi cations. Unauthorized
recommended by Multiquip for this equipment. Damage
Also, know the phone
fi re
SAFETY INFORMATION
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.
qualifi ed personnel 18 years of age and older.
safety decals when they become diffi cult read.
Manufacturer does not assume responsibility for any
equipment modifi cation will void all warranties.
NEVER use accessories or attachments that are not
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.
numbers of the nearest ambulance, doctor and
department. This information will be invaluable in the
case of an emergency.
PAGE 4 — LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11)
LIGHT TOWER SAFETY
NOTICE
keep the immediate area surrounding the light
keep the machine in proper running condition.
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.
use
Always shut down the engine and turn off circuit breakers
allow a suffi cient amount of time for the lamp to
before touching or changing. The possibility exists of
use force when installing the lamp. Excessive force
leave any grease or oil residue on lamp surface
install and remove
SAFETY INFORMATION
DANGER
NEVER use light tower in rain, snow, or
areas of high humidity that could generate
electrical storms.
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
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.
ALWAYS ensure light tower is on level ground before use
so that it cannot slide or shift around, endangering workers.
Always keep immediate area free of bystanders.
ALWAYS make sure trailer is leveled with all outriggers
extended before raising tower. Outriggers must remain
extended while tower is up.
ALWAYS keep area behind trailer clear of people while
raising and lowering mast.
NEVER remove safety pin or pull mast locking pin while
tower is in a raised position!
CHECK the mast and winch cables for wear. If any
problem occurs when lowering or raising the tower,
STOP immediately! Contact a trained technician for
assistance.
NEVER pivot or retract mast while unit is operating.
ALWAYS
tower clean, neat, and free of debris.
ALWAYS
Fix damage to machine and replace any broken parts
immediately.
ALWAYS
To prevent the light tower from overturning, NEVER
in winds that exceed 65 mph (105 kph).
LAMP SAFETY
WARNING
NEVER attempt to replace lamp with the power on.
when changing the lamp.
ALWAYS
cool
severe burns.
CAUTION
NEVER
could cause the lamp to break, causing bodily harm.
NOTICE
NEVER
when replacing or removing lamp. This can create hot
spots, reducing the service life of the lamp.
ALWAYS make sure lamp surface is clean and dry.
ALWAYS replace with MQ recommended type lamp.
ALWAYS have a trained technician
a fl oodlight, or replace any damaged fi xture wiring.
NEVER use the light tower mast as a crane. DO NOT lift
anything with the mast.
NEVER attach anything to the light tower mast.
ALWAYS lower the light tower when not in use, or if high
winds or electrical storms are expected.
LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11) — PAGE 5
ENGINE SAFETY
DANGEROUS
GAS FUMES
NOTICE
run engine without an air fi lter or with a dirty air
fi lter. Severe engine damage may occur. Service air fi lter
tip the engine to extreme angles during lifting as
it may cause oil to gravitate into the cylinder head, making
Wet stacking is a common problem with diesel engines
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
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
applied to relieve the condition. It can reduce the system
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
from the engine exhaust. Spark arresters are qualifi ed
SAFETY INFORMATION
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
D O NOT pl ace h ands or fing ers i nside engi ne
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.
NEVER
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.
NEVER
the engine start diffi cult.
which are operated for extended periods with light or
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.
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.
to completely burn all of the fuel.
Wet stacking does not usually cause any permanent
damage and can be alleviated if additional load is
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
to prevent accidental discharge of sparks or fl ames
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 6 — LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11)
FUEL SAFETY
DO NOT start the engine near spilled fuel or combustible
ALWAYS inspect the hitch and coupling for wear. NEVER
tow a trailer with defective hitches, couplings, chains, etc.
Trailer tires should be infl ated to 50 psi cold.
safety
attach trailer’s safety chains to towing
make sure the vehicle and trailer directional,
unless
posted otherwise. Recommended off-road towing is not to
Avoid sudden stops and starts. This can cause skidding,
Trailer should be adjusted to a level position at all times
rolling
underneath the trailer’s bumper
Use the trailer’s swivel jack to adjust the trailer height to
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.
DANGER
SAFETY INFORMATION
Check the tire air pressure on both towing vehicle and
trailer.
Also check the tire tread wear on both vehicles.
ALWAYS make sure the trailer is equipped with a
chain.
ALWAYS properly
vehicle.
ALWAYS
backup, brake and trailer lights are connected and
working properly.
DOT Requirements include the following:
• Connect and test electric brake operation.
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 ar ound 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 Transpor tation (DOT)
Safety Towing Regulations, before towing
your light tower.
In order to reduce the possibility of an accident while
transporting the light tower on public roads, ALWAYS
make sure the trailer that supports the light tower 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.”
• Secure portable power cables in cable tray with tie
wraps.
The maximum speed for highway towing is 55 MPH
exceed 15 MPH or less depending on type of terrain.
or jack-knifi ng. Smooth, gradual starts and stops will
improve towing.
Avoid sharp turns to prevent rolling.
when towing.
Raise and lock trailer wheel stand in up position when
towing.
Place chock blocks underneath wheel to prevent
while parked.
Place support blocks
to prevent tipping while parked.
a level position while parked.
LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11) — PAGE 7
TRANSPORTING SAFETY
CAUTION
STOWED
POSITION
REAR
MAST
LOCK
If lifting through pockets, make sure forks of forklift are
Never allow any person or animal to stand underneath the
Before loading light tower to fl atbed truck, disconnect all
four fl oodlight connectors and tie-wrap the cables against
the T-bar to prevent damage to the cables and connectors.
jackstand of light tower is retracted and in the horizontal
position so that the foot does not make contact with the
Make sure that the two side (left and right) and two rear
jackstands are in the vertical postion, slightly extended,
Straps and chains should be routed through the transport
secure the unit by running a strap or chain over
TRANSPORT
TIE-DOWN
POINT (4)
FRONT JACKSTAND
RETRACTED
TONGUE
SIDE
JACK
STAND (2)
REAR
JACK
STAND (2)
Before lifting, make sure that light tower parts are not
damaged and screws are not loosened or lost.
ALWAYS make sure crane or lifting device has been
properly secured to lifting hook of the equipment.
NEVER lift the equipment while engine is running.
SAFETY INFORMATION
inserted in pockets as far as possible before lifting.
equipment while lifting.
DO NOT lift equipment to unnecessary heights.
Loading and Tie-Down on Flatbed Truck
NOTICE
Make sure the tower is in the stowed position before
lifting.
ALWAYS Make sure rear mast lock is secure before
lifting.
Use adequate lifting cable (wire or rope) of suffi cient
strength.
Use one point suspension hook and lift straight upwards.
CABLE
TIE
CABLE
CONNECTORS
DISCONNECTED
When loading onto fl atbed truck, make sure that front
deck fl oor.
FORKLIFT
POCKETS
LIFTING BALE
LIGHT TOWER
so that each foot makes contact with the deck fl oor.
tie-down points located beneath each corner of the
cabinet to allow even application of forece to the front
and rear of the machine.
DO NOT
PAGE 8 — LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11)
the tongue of the light tower. This may cause severe
damage to the unit.
ELECTRICAL SAFETY
DANGER
Backfeed to a utility system can cause electrocution
connect the generator
to a building’s electrical system without a transfer switch
cables or cords when
make certain that proper power or extension
complete the grounding path
make sure that electrical circuits are properly
Severe injury or death by
can result from operating an ungrounded
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.
NEVER insert any objects into the output
receptacles during operation. This is
extremely dangerous. The possibility exists
of electrical shock, electrocution or
death.
NEVER operate light tower
or handle any electrical
equipment while standing in
water, while barefoot, while
hands are wet or in the rain.
A dangerous electrical
shock could occur, causing
severe bodily har m or
even death.
ALWAYS make sure the area
above the light tower is open
and clear of overhead power
lines and other obstructions.
The tower extends in excess
of 30 feet (9 meters). Contact
w i t h overhead power
lines or other obstructions
could result in equipment
damage, electrical shock,
electrocution and even
death.
Similar to boom equipment, light tower may become
energized with high voltage. DO NOT operate the light
tower within a radial distance of 17 feet from high voltage
power lines. If light tower becomes energized with high
voltage, contact with the equipment could result in
electrocution.
SAFETY INFORMATION
and/or property damage. NEVER
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.
Power Cord/Cable Safety
DANGER
NEVER let power cords or cables lay in water.
NEVER use damaged or worn
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.
Make sure power cables are securely connected.
Incorrect connections may cause electrical shock and
damage to the light tower.
NOTICE
ALWAYS
cord has been selected for the job.
Grounding Safety
DANGER
The light tower is equipped with a ground terminal for
your protection. ALWAYS
from the light tower to an extrnal grounding source.
ALWAYS
grounded to a suitable earth ground (ground rod) per
the National Electrical Code (NEC) and local codes
before operating generator.
electrocution
generator.
NEVER use gas piping as an electrical ground.
LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11) — PAGE 9
SAFETY INFORMATION
BATTERY SAFETY
ENVIRONMENTAL SAFETY
pour waste, oil or fuel directly onto the ground,
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.
ALWAYS recharge the battery in a well-ventilated
environment to avoid the risk of a dangerous concentration
of combustible gasses.
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
down a drain or into any water source.
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.
PAGE 10 — LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11)
LAMP FOOTCANDLE PLOT
Figure 1. Lamp Footcandle Plot
LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11) — PAGE 11
SPECIFICATIONS
Table 1. LT12DAB Specifications
Light Tower Model LT12DAB
Engine Model
Weight (Dry) 1690 lbs. (766 kg.)
Support Points 5
Wind Stability with Genset 65 mph (80.46 kph)
Lamps Four 1,000-Watt Metal Halide
Lumens 440,000
Light Coverage 20, 234 – 28,000 m
Light Termination 4 x 3-pin QD plug
Generator Specifications
Twist-Lock Circuit Breaker (Amps) 30 A
Continuous Output (Watts) 6,000 W
Noise Level @ 23 ft. (7 m) 73 dB
Trailer Specifications
Lombardini LDW 1003
Diesel Engine
2
Jackstand Capacity 2,000 lbs. (907 kg.)
Hitch Type 2-in. Ball (Optional Pintle Kit available)
Tire Size 13 in. (330 mm.)
Tire Rim Size 13 x 4.5 in. (330 x 114 mm)
Axle Capacity 2,000 lbs. (907 kg.)
Hub Type 5-Lug
Suspension Type 3-Leaf
Electrical Tail-light Connector 4-Wire
Winch Capacity 1,500 lbs. (680 kg.)
Winch Rope Wire 3/16 in. (5 mm)
PAGE 12 — LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11)
Lombardini LDW 1003
Diesel Engine
SPECIFICATIONS
Table 2. Engine Specifications
Engine Type 3-cylinder, Diesel Engine
Displacement 62.73 cu. in. (1028 cc)
Max Output Standby 12 H.P. at 1,500 R.P.M.
Fuel Tank Capacity Approx. 30 U.S. Gallons (113 Liters)
Run Time With 4 Lights 64 Hours
Standard Idle Speed 1,500 R.P.M.
Fuel Type N0. 2 Diesel Fuel
Oil Sump Capacity 2.64 U.S. Quarts (2.5 Liters)
Cooling System Liquid-cooled
Coolant Capacity 5.18 U.S. Quarts (4.9 Liters)
Starting Method Electric Start
Battery Type Group 24
Total Weight (Dry) 187.3 lbs. (85 Kg.)
LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11) — PAGE 13
DIMENSIONS
DEPLOYED
POSITION
C
STOWED
POSITION
D
E
B
A
REAR
RIGHT SIDE
Figure 2. Dimensions
Table 3. Dimensions
Reference Letter Description Dimension
A Length (Mast Stowed Position) 170 in. (431 cm.)
B Length (Mast Deployed Position) 101 in. (256 cm.)
C Max. Height (Mast Deployed Position) 31.5 ft. (9.6 m)
D Height (Mast Stowed Position) 74 in. (187 cm.)
E Ground Clearance (From Axle) 8 in. (20 cm.)
F Width (Tow Ready) 51 in. (129 cm.)
F
G
G Width (Outriggers Deployed) 109 in. (276 cm.)
PAGE 14 — LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11)
GENERAL INFORMATION
The Multiquip LT12DAB Light Tower is a dedicated general
purpose light tower engineered to provide dependable
lighting for a wide range of applications. This includes
lighting for construction sites, industrial locations, special
events, and emergency conditions.
METAL HALIDE LAMPS
The lighting system of the LT12DAB Light Tower is
comprised of 4 metal halide, 1000-watt lamps. These lamps
provide maximum illumination with typical lighting coverage
of 5 to 7 acres. The lamps are controlled by individual circuit
breakers for versatility.
ENGINE
The LT12 Light Tower is powered by a diesel engine that
is equipped with automatic shutdowns for low oil pressure,
high coolant temperature, and alternator charge failure.
STABILITY
The light tower can be raised vertically in excess of 31.5
feet (9.6 meters) by means of a manual winch. The tower
tensioning system is designed to provide the necessary
tension to safely control the pivot of the tower. The light
tower has a wind stability of up to 65 mph with outriggers
and jackstands fully deployed.
PANEL LIGHT
A panel light automatically illuminates the control panel and
all functions when the engine access door is opened. This
feature is convenient for night deployment.
CONVENIENCE RECEPTACLE PLATES
As an added feature, the LT12DAB is equipped with two
external plates with wiring ready to install auxiliary output
receptacles. Receptacles can be installed for use with light
power tools or other similar applications.
FUEL TANK
The 30-gallon fuel tank provides up to 64 hours of run time
while running at 3/4 load.
TRAILER DESIGN
The trailer design of the LT12DAB light tower withstands
the rigors of the jobsite in addition to providing smooth
highway towing.
LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11) — PAGE 15
COMPONENTS
15
14
13
16
1
2
4
5
3
17
18
12
18
11
Figure 3. Major Components (Control Panel Side)
7
9
6
8
10
Figures 3 and 4 show the location of the controls and
components for the LT12DAB light tower. The function of
each control is described below.
1. Mast Rotation Locking Knob — Unscrew this knob
to release mast for rotation. Tighten this knob to lock
mast after it is set to the desired position.
2. Mast Extension Winch — Use this winch to extend
the mast to the desired height. Maximum height is
approximately 31.5 feet (9.6 meters).
3. Mast Rotation Handles — Grip these handles to rotate
mast to desired position.
4. Lifting Bale — Light tower can be lifted using this lifting
bale. The lifting bale is balanced for a fully configured
light tower. Removal of any components will unbalance
the lifting bale.
5. Forklift Pockets — Light tower can be lifted using
these forklift pockets. Insert the forks of the forklift as
far possible into the pockets.
6. Mast Cradle Support — When towing of the light
tower is required, place the tower mast into the cradle
support. Make sure cradle lock/release pin has been
inserted and mast is locked.
7. T-Bar — Allows the lamps to be mounted vertically or
horizontally.
8. Lamps — Four 1000-watt metal-halide bulbs with
a 110,000 lumens capacity each. Light coverage is
typically between 5 to 7 acres.
9. Cradle Lock/Release Pin — Locks mast in cradle
support and releases mast when removed.
10. Rear Jackstands — There are two jackstands located
at the rear of the trailer. Use these jackstands to level
and support the light tower.
11. Chock Blocks — Place these blocks (not included
as part of the light tower package) under each trailer
wheel to prevent rolling.
12. Outrigger Jacks — Use these 2 outrigger jacks to
level and support the light tower. For more stability, the
outriggers can be deployed.
13. Tongue Jackstand — Use this jackstand to support
the tongue when attaching the light tower to a towing
vehicle.
PAGE 16 — LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11)
19
COMPONENTS
22
21
23
20
14. Safety Chain — Always attach safety chain to the
towing vehicle. Never tow the light tower with the safety
chain unattached.
15. Ball Hitch Coupler — Attach this coupler to the
towing vehicle. Use only the specified ball diameter
as indicated on your coupler. Use of any other ball
diameter will create an extremely dangerous condition
which can result in separation of the coupler and ball
or ball failure.
16. Vertical Mast Winch — Use this winch to raise the
mast to the vertical position.
17. Mast Lock/Release Pin — Pull this pin to start placing
the tower mast in the vertical position.When tower mast
has reached full vertical position, insert pin to keep
mast from falling.
REAR
VIEW
Figure 4. Major Components (Front/Rear)
FRONT
VIEW
19. Engine Exhaust Pipe — Directs engine exhaust to
the rear of the light tower. NEVER block this exhaust
pipe with obstructions. ALWAYS place the generator
in an area free of obstructions.
20. Tires — This light tower uses a ST175-13C size tire.
Replace with only recommended tire size. Never tow
light tower with bad or worn tires.
21. Docum entation Box — Contai ns informatio n
regarding the light tower.
22. Auxiliary Output Receptacle — Wired ready to install
an output receptacle.
23. Auxiliary Output Receptacle — Wired ready to install
an output receptacle.
18. Tie-Down Points — Used to tie down light tower with
strap or chains to allow even application of force to the
front and rear of the equipment during transport.
LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11) — PAGE 17
CONTROL PANEL
1
2
12
9
4
240 VAC/30A
BREAKER
LIGHT CONTROL/BREAKER
MAIN
120 VAC/15A
BREAKER
LOMBARDINI
5
GFCI
6
8
10
13
7
3
11
= NOT USED
Figure 5. Controls and Indicators
PAGE 18 — LT12DAB LIGHT TOWER • OPERATION MANUAL — REV. #0 (06/03/11)
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