IMPORTANT: Read and understand this manual before operating or servicing
generator. Improper use of generator can cause serious injury. Keep this
manual for future reference.
R
PORTABLE GASOLINE GENERATORS
SAFETY
INFORMATION
WARNINGS
IMPORTANT: Read this owner’s
manual and the engine owner’s
manual carefully. Become familiar with this generator before trying to operate or service it. Know
its uses, limitations, and any hazards involved. Improper use of
generator can cause severe injury or death from explosion, fire,
burns, electrical shock, or carbon monoxide poisoning.
DANGER: Carbon monoxide
poisoning may lead to death!
Engine exhaust contains poisonous carbon
monoxide gas. Overexposure will cause loss
of consciousness and will lead to death. Use
only in well-vented areas. Make sure area
has plenty of free-moving, fresh, outside
air. Never run generator in an enclosed or
confined area. Never run generator inside
occupied building.
Carbon Monoxide Poisoning: Early
signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness,
and nausea. If you have these signs, getfresh air at once! Some people are more
affected by carbon monoxide than others.
These include pregnant women, persons
with heart or lung disease or anemia, those
under the influence of alcohol, and those at
high altitudes. Make certain you read and
understand all warnings. Keep this manual
for reference. It is your guide to safe and
proper operation of this generator.
Safety information appears throughout these
instructions. Pay close attention to them.
Below are definitions for the safety information listed throughout this manual.
DANGER: indicates a hazard which will
cause severe personal injury, death, or substantial property damage if you ignore warning
WARNING: indicates a hazard which can
cause severe personal injury, death, or substantial property damage if you ignore warning.
CAUTION: indicates a hazard which will
or can cause minor personal injury or property damage if you ignore warning.
.
1.Gasoline presents a hazard of fire or explosion. Gasoline is flammable. Its vapor is explosive.
•Keep fuel out of children’s reach.
• Refuel generator in a well-vented
area. Do not fill fuel tank in the dark.
Do not refuel while engine is running. Unhook all electrical loads and
shut off engine before refueling.
• Do not overfill fuel tank. Always al-
low room for fuel to expand. If you
overfill tank, fuel can overflow onto
hot generator. This can cause fire or
explosion. After refueling, tightly
close fuel tank cap.
• Do not spill fuel. Fuel or fuel vapor
may ignite. If fuel spills, make sure
area is dry before starting engine.
•Never smoke in refueling area. Never
allow open flames or sparks in area.
• Store fuel in approved container.
Store fuel in a well-vented area free
of open flames or sparks.
2.Guard against fire hazard. Keep operation area well-vented. Keep generator
at least three feet away from any object. Do not place flammable objects
near generator.
• Do not use generator where flam-
mable vapors are present. Some vapors are heavier than air. These vapors settle in low-lying places.
• Do not use generator in enclosed
spaces. This includes motor home or
RV generator compartments.
3.
Guard against electric shock. Generator
produces high voltage. This high voltage
can cause severe electric shock. Only responsible adults should use generator.
•Properly ground generator before
starting.
•Never let anyone operate or service
generator without proper instructions.
•Avoid contact with live terminals or
bare wires.
• Do not use generator outdoors in rain
or snow.
• Do not use generator near standing
water or snow.
• Do not use if generator is wet or
damp.
• Do not use generator in highly con-
ductive areas. These areas include
metal decking and steelwork.
• Only use grounded extension cords.
• Do not use any worn or damaged
electric cords. Electric shock or damage to generator may result.
• Do not wear damp clothing or wet
shoes when using generator.
4.Guard against burns. Hot engine parts
can cause severe injury. Use caution
and remain alert when using generator.
•Keep children and animals away from
generator while it is running or hot.
•Keep all covers and shields in place.
Keep them tightly secured.
•The muffler becomes very hot dur-
ing operation. The muffler remains
hot for a while after shutdown. Do
not touch muffler while it is hot. Do
not let muffler touch anything flammable. Let engine cool before transporting or storing.
5.Have standby installation to home or
building performed by a licensed electrician. Do not let anyone else wire into
a utility circuit. Personal injury, equipment damage, or damage to home could
occur.
6.Never connect generator to any existing
electrical circuits. The generator output
will back-feed into the utility power line.
This may electrocute a power company
line repair person. Also, if generator is
powering electrical circuits, the chance
of an electrical fire exists.
7.Battery gives off explosive gases. Keep
sparks, flames, and cigarettes away. Do
not remove or install battery cables
when engine is cranking or running.
Only service or use battery in a wellvented area.
8.Battery contains sulfuric acid. Battery
acid is poisonous if swallowed. Contact with skin or eyes may cause severe
burns. Do not tilt generator with battery installed. Tilting could cause battery acid to spill. Wear protective clothing and face shield when servicing.
Keep out of children’s reach.
2
115407
OWNER’S MANUAL
SAFETY
INFORMATION
Continued
9.
Only a qualified electrical service person should service and repair generator.
• Generator produces high voltage.
Use extreme caution when working
on electrical parts.
•Always remove spark plug wire from
spark plug before servicing. This will
prevent accidental starting.
•
When working on generator, avoid hot
muffler, exhaust manifold, and engine
parts. Severe burns may occur.
• Do not work on generator when tired.
• Use only factory approved replacement parts.
10. Store generator in a well-vented area.
Make sure fuel tank is empty. Never
store with fuel in tank. Vapors may
reach an open flame or spark. Fire or
explosion may result.
11. Never operate generator
• if engine speed changes greatly
• if engine misfires often
• if powered items overheat
• if electrical output drops
• if it is sparking
• if it produces smoke or flames
• if it vibrates at high levels
• if it has a damaged receptacle
12. Keep generator and nearby areas clean.
•Keep generator free of oil, mud, and
other foreign matter.
• Remove anything that creates slip-
pery areas around generator.
• Remove oily rags and other items
that create fire hazards.
•Keep a fire extinguisher nearby.
Make sure it is rated ABC by the
NFPA. They are good for all uses.
Consult your local fire department.
•Keep fire extinguisher well main-
tained. Be familiar with its use.
13. Know how to stop engine quickly.
Know how to use all controls.
14. Prolonged exposure to loud noise can
cause hearing loss.
•When working around generator,
wear approved hearing protection.
• Remember neighbors when using
generator.
PRODUCT
IDENTIFICATION
Gas Tank
Gas Cap/Fuel Gauge
E
Ground
Bolt
Alternator
120 Volt
Receptacle (GFCI)
Hour Meter
Auto-Idle Switch
Control Panel
Figure 1 - Portable Generator
F
UEL
F
Choke
Lever
Oil Filter
120V
TWISTLOCK
120V
120V
CI
GF
T
E
S
E
R
T
S
E
T
120/240V
TWISTLOCK
120/240V
TWISTLOCK
ER
T
OUR ME
H
M
N
E
5
0
0
0
0
0
0
1
/
0
1
0
S
R
U
O
H
LE
D
I
TO-
AU
ET
RES
ON
RESET
FF
O
T
RESE
ET
RES
120 Volt Receptacle
120/240 Volt Receptacle
120 Volt
Receptacle
(Duplex)
Circuit Breaker
Roll Cage
115407
3
R
PORTABLE GASOLINE GENERATORS
GENERAL
INFORMATION
Master portable generators are rugged and
compact. These generators use brushless alternators for dependable, trouble-free service.
Honda gasoline engines provide long life under heavy use. Honda engines have overhead
valves (OHV). This provides high performance with lower fuel consumption. These
engines are governed to maintain engine speed
of 3600 RPM under load. 3600 RPM engine
speed provides 120/240V, 60 Hz power.
for shipping damage. If any parts are
missing or damaged, please contact our
Technical Service Department at 1-800858-8501 (English Only).
4.Battery cables are supplied and in-
stalled on engine.
VENTILATION
DANGER: Use only in wellvented areas. Make sure area has
plenty of free-moving, fresh, outside air. Never run generator in
an enclosed or confined area.
Never run generator inside occupied building. Engine exhaust
contains poisonous carbon monoxide gas. Overexposure will
cause loss of consciousness and
will lead to death.
This generator needs cooling air to run properly. Never block free-flowing, cooling air
to generator. Overheating will occur without cooling air. This will damage the generator. Keep generator at least three feet
away from any object.
DUST, DIRT, RAIN,
AND SNOW
WARNING: Do not use generator outdoors in rain or snow.
Do not use generator near standing water or snow. Do not use if
generator is wet or damp. Operating generator in these conditions increases the risk of electrocution. Severe injury or death
can occur.
Do not use generator in extremely dusty or
dirty conditions. This will severely affect its
life. Keep generator clean. Do not allow
dust, dirt, rain, or snow to collect on it.
Protect generator from outdoor elements.
HIGH AND LOW
TEMPERATURE
OPERATION
Air temperature affects generator output.
Output drops 1% for each 10° temperature
rise above 60° F. Very low temperatures may
make the engine hard to start. See engine
owner’s manual for more information.
SPECIFICATIONS
Note:
Ratings apply to SAE standard
conditions. Reduce ratings 3 1/2% for
each 1000 feet above sea level and 1%
for each 10° Fahrenheit rise above 60°F.
The oil alert system protects the engine from
low oil damage. This system automatically
shuts down the engine and prevents engine
restarting if the oil level falls too low.
Note:
When this happens, the engine switch
remains in the ON position. The oil alert
system is wired into the ON/OFF Switch.
If this system shuts down the engine, the
engine will not start until you add oil. Add
oil to engine (see Engine Oil, page 6).
Note:
Operate generator on a level surface.
If not level, the oil may flow away from the
oil level sensing device. This will cause the
oil alert system to shut down engine.
See engine owner’s manual for more
information.
HONDA
AUTO-IDLE SYSTEM
The Auto-Idle System allows the engine to
idle down or run at a slower speed when the
generator is not being used to supply power.
The Auto-idle system can be turned ON or
OFF by a rocker switch on the control panel.
When the switch is in the OFF position, the
engine runs at full speed all of the time. When
the switch is in the ON position, the engine
slows down to idle speed until an electrical
load is applied. When a load is applied to the
generator (an electrical item is plugged in and
turned on) the engine speeds up to the preset
speed required to produce the correct voltage.
IMPORTANT:
A minimum current load of
1 Amp is required to disengage the auto idle
solenoid and cause the engine to come up to
speed for correct voltage. Powering items at
reduced engine speed will damage generator and powered items.
ELECTRIC START
A battery is not supplied with generator.
You must provide a 12-volt, 32-amp-hour
battery. For more battery information, see
Battery, page 7.
GROUND FAULT CIRCUIT
INTERRUPTER RECEPTACLE
The GFCI receptacle is on the control panel.
The GFCI protects you against hazardous
electrical shock caused when your body
becomes a path through which electricity
travels to reach ground. This could happen
when you touch an appliance or cord that is
‘live’ through faulty mechanism, damp or
worn insulation, etc.
When protected by the GFCI, you may still
feel a shock, but the GFCI should cut it off
quickly. A person in normal health should
not receive serious injury.
very small children may still be affected.
Test Procedure
Check the GFCI receptacle every month.
This insures it is working right.
1.Push TEST button. RESET button
should pop out. This should trip GFCI,
resulting in no electrical power at receptacle. Verify this by plugging test
lamp with good bulb into receptacle. If
lamp does not work, GFCI receptacle
is good.
Note:
Infants and
OFFONSTART
Engine Switch
Figure 2 - Engine Switch Location
ENGINE SW
CIRCUIT
BREAKER
ON/push OFF
WARNING: If RESET button
does not pop out, do not use the
GFCI receptacle. Contact a qualified electrician for repairs.
2.If the GFCI receptacle tests okay, restore power by pushing the RESET
button back in. The test lamp should
work at this time
. IMPORTANT:
Yo u
must press the RESET button firmly
and fully. It should lock into place. If
the GFCI does not lock into place, do
not use receptacle. Contact a qualified
electrician for repairs.
RESET
TEST
Figure 3 - GFCI Receptacle
115407
5
R
PORTABLE GASOLINE GENERATORS
GENERATOR
FEATURES
Continued
RECEPTACLE CIRCUIT
BREAKER
The circuit breakers protect the receptacles
and alternator. Overloading generator will
trip circuit breaker. A short circuit in item
being powered will also trip breaker. If this
occurs, unplug electrical load from receptacle. Let circuit breaker cool down. Push
circuit breaker button to reset.
Electric motors need higher starting current.
They require up to three-times their rated
wattage to start. The starting current needed
may be too high. This can cause nuisance
circuit breaker tripping. To help prevent
this, start electric motors first. Connect additional items to generator after starting
motors. If this continues to happen, reduce
the total generator load.
Note:
High ambient temperature will cause
nuisance tripping.
20
Figure 4 - Receptacle Circuit Breaker
Button
ENGINE CIRCUIT BREAKER
This circuit breaker, or fuse, protects the
battery charging circuit. A short circuit will
trip the circuit breaker. The circuit breaker
will also trip if you install the battery wrong.
Push circuit breaker button to reset. The
fuse is located inside of the Keyswitch box.
TrippedNormal
20
OIL ALERT
ENGINE OIL
We ship the generator without oil in the
engine crankcase. You must add oil before
starting engine. See engine owner’s manual
for specific oil type.
CHECKING OIL LEVEL AND
ADDING OIL
Follow steps below to check oil level. Make
sure engine is level and stopped.
1.Remove dipstick (see Figure 6). Wipe
dipstick clean.
2.Insert dipstick into oil filler neck. Oil
level should be at top of filler neck the
upper limit mark on dipstick.
3.If level is low, fill to top of oil filler neck
(see Figure 6). Only use oil recommended in engine owner’s manual.
Note:
If oil level is too low, oil alert system
will shutdown engine and prevent engine
from restarting.
Oil Fill Cap
Upper
Limit
Lower
Limit
Dip Stick
Figure 6 - Checking Oil Level
FUEL
WARNING: Gasoline presents
a hazard of fire or explosion.
Gasoline is flammable. Its vapor
is explosive.
• Keep fuel out of children’s
reach.
•
Refuel generator in a wellvented area. Do not fill fuel tank
in the dark. Do not refuel while
engine is running. Unhook all
electrical loads and shut off
engine before refueling.
• Do not overfill fuel tank. Al-
ways allow room for fuel to
expand. If you overfill tank, fuel
can overflow onto hot engine.
This can cause fire or explosion. After refueling, tightly
close fuel tank cap.
• Do not spill fuel. Fuel or fuel
vapor may ignite. If fuel spills,
make sure area is dry before
starting engine.
• Never smoke in refueling area.
Never allow open flames or
sparks in area.
•Store fuel in approved con-
tainer. Store fuel in a wellvented area free of open flames
or sparks.
Use clean, fresh, unleaded gasoline. Use
gasoline with octane rating of 86 or higher.
Service station gasoline pumps should display the octane rating. Using gasoline with
lower octane level could damage engine.
Avoid getting dirt, dust, or water in fuel
tank. Do not mix oil with gasoline.
See engine owner’s manual for more
information.
OFFONSTART
Engine Circuit
Breaker Button
Figure 5 - Engine Circuit Breaker
ENGINE SW
CIRCUIT
BREAKER
ON/push OFF
BATTERY
WARNING: Battery gives off
explosive gases. Keep sparks,
flames, and cigarettes away. Do
not remove or install battery
cables when engine is cranking
or running. Only service or use
battery in a well-vented area.
6
115407
OWNER’S MANUAL
S
BATTERY
Continued
WARNING: Battery contains
sulfuric acid. Contact with skin
or eyes may cause severe burns.
Do not tilt generator with battery
installed. Tilting could cause battery acid to spill. Wear protective
clothing and face shield when
servicing. Keep out of children’s
reach.
• If battery acid gets on your
skin, wash with water.
• If battery acid gets in your eyes,
flush with water at least 15 minutes. Call a doctor at once.
Battery acid is poisonous.
• If swallowed, drink large
amounts of water or milk. Follow with milk of magnesia or
vegetable oil. Call a doctor at
once.
CAUTION: If you remove battery, insulate the red, positive (+)
battery cable terminal. Insulate with
electrical tape. Exposed terminal
may spark when generator runs.
IMPORTANT:
tions are the correct polarity. Electric start
generators use negative ground, 12-volt DC
starting system.
A battery is not supplied with generator. You
must provide a 12-volt, 32-amp-hour battery.
The positive and negative battery cables are
supplied with generator. You must install
these cables before mounting battery.
Always wear safety glasses when working
with battery. Make sure battery terminals are
clean. Make sure cable connections are tight.
Always shut down engine before removing
or attaching battery cables. Always remove
the negative (–) cable first. Always attach
negative (–) cable last.
INSTALLING BATTERY
CABLES TO ENGINE
1.Attach the red, positive (+) battery
cable to the starter solenoid on engine
(see Figure 7). The starter solenoid is
located directly above the starter.
Make sure battery connec-
CAUTION: Do not over tighten
positive terminal on starter solenoid. Positive terminal could rotate and cut into negative terminal, causing a short.
2.Attach the black, negative (–) battery cable
to the engine block. Use the bolt, nut, and
two washers provided with the battery
cables. Use long mounting hole on opposite side of engine from starter solenoid.
Attach cable as shown in Figure 8.
WARNING: You must properly earth-ground generator before starting. This will help guard
against deadly electric shock.
Only use grounded plugs with
generator. Only use grounded extension cords. Only use three-wire
or double-insulated power tools.
Grounding generator helps prevent electric
shock from a ground fault condition. Follow
these steps to ground your generator:
1.Locate ground bolt on generator housing (see Figure 11).
2.Loosen SEM nut on ground bolt.
Do not remove SEM nut from bolt.
3.Attach a spade connector to the end of
a #10-8 stranded-copper ground wire.
4.Attach spade connector to ground bolt
between flat washer and SEM nut (see
Detail A in Figure 11).
5.Drive grounding point into ground.
Note:
Grounding point can be a stake,
grounding rod, or pipe. Grounding
point should be copper or brass.
6.Attach ground wire to grounding point.
Note:
You must supply the ground wire and grounding point. These do not come with generator.
Follow the National Electrical Code and all
state and local codes. Consult your power
company or a licensed electrician.
WARNING: For a grounding
point, do not use metal pipe being used to carry combustible
materials or gases.
Flat Washer
SEMS Nut
Ground Bolt
Spade
Connector
Detail A
FUEL
E
F
2
1
V
0
2
1
I
FC
Ground
Wire
Copper or Brass
Grounding Point
Alternator
G
T
E
S
E
R
T
S
E
T
/2
0
2
1
T
IS
W
R
T
TE
E
M
R
HOU
M
N
E
5
0
0
0
0
0
0
0
1/10
S
UR
O
H
LE
ID
-
O
T
AU
ON
F
OF
T
SE
E
R
ET
S
E
R
STANDBY
INSTALLATION TO
HOME OR
BUILDING
WARNING: Have standby installation performed by a skilled,
licensed electrician. Do not let
anyone else wire into a utility
circuit. Personal injury, equipment damage, or damage to home
could occur.
IMPORTANT:
power your entire home. Most home utility
electric service is more than 60 amps. This
will exceed generator output. Only power
needed items during a power outage. Make
sure total wattage of electrical load does not
exceed rated wattage of generator.
You may need to use this generator as a
standby power source. During a power outage, the generator will power selected items
in a building. Have generator and additional
wiring installed by a skilled, licensed electrician. This is not a do-it-yourself job. Follow all local codes.
WARNING: The electrician
V
0
must install a double-throw transfer switch. This isolates existing
V
0
4
K
C
O
L
R
electrical circuits from the utility
power line. If not isolated, generator output will back-feed into
T
SE
E
utility power line. This may electrocute a power company line
repair person.
This generator will not
Figure 11 - Grounding Generator
8
115407
OWNER’S MANUAL
DETERMINING
ELECTRICAL LOAD
FOR GENERATOR
You must decide what electrical load your
generator can power. Do this before using
generator. Use the following four-step
method. It will help you select a load that is
not too large. Make sure total wattage of all
electrical loads does not exceed rated wattage of generator. For rated wattage of your
generator, see Specifications, page 4. Electric motors present a special problem when
figuring load. Read Step 3 carefully.
1.Make two lists of items you want powered by generator. List all motors and
motor powered appliances in one. List all
lights, small appliances, etc. in the other.
For standby service to home or building,
only include items you must power.
2.Enter running watts of each item except motors. The light bulb or appliance
nameplate lists its wattage. Remember,
1KW = 1000 watts.
plate may not list wattage. It may only
list volts and amps. The formula for
finding wattage is: Volts x Amps =
Watts. For example: An appliance
nameplate states 3 amps at 120 volts. 3
amps x 120 volts = 360 watts.
Note:
The name-
3.Electric motors present a special problem. They require up to three-times
their rated wattage to start. Chart 2,
below, shows starting watts for different size motors. For example: an electric motor nameplate states 5 amps at
120 volts. 5 amps x 120 volts = 600
watts running. Multiply this figure by
3. This will show the starting watts
needed. 600 watts x 3 = 1800 watts to
start. When figuring the generator load
for motors, you must use the starting
watts figure.
quire nearly the same wattage to run as
to start. These items include saws,
drills, hair dryers, and food mixers. See
Chart 1 for typical appliance wattage
examples.
4.Add watts and starting watts of all
items. This total must not be larger than
the rated wattage of your generator. It
is a good idea to have up to 25% extra
capacity for future needs or extra
equipment.
Note:
Some motors re-
watts figure. Do not use the running
Chart 1 - Typical Electric Appliance Wattages
Running Starting
EquipmentWattsWatts
Light bulb (100W)100100
Radio150150
Fan200600
Television400400
Furnace fan
* – Always use starting watts, not running watts, when figuring correct electrical load.
x – Motors of higher horsepower are not generally used.
9
R
PORTABLE GASOLINE GENERATORS
OPERATION
GENERAL INFORMATION
This generator is not large enough to power
your entire home. Do not connect generator
to any existing electrical circuits. Plug items
directly into generator receptacles. Do not
exceed amperage rating of receptacles. Only
use grounded cords.
DANGER: Use only in wellvented areas. Make sure area has
plenty of free-moving, fresh, outside air. Never run generator in
an enclosed or confined area.
Never run generator inside occupied building. Engine exhaust
contains poisonous carbon monoxide gas. Overexposure will
cause loss of consciousness and
will lead to death.
DANGER: Never connect generator to any existing electrical
circuits. The generator output will
back-feed into the utility power
line. This may electrocute a power
company line repair person. Also,
if generator is powering electrical circuits, the chance of an electrical fire exists.
USING RECEPTACLE
Note:
Do not exceed amperage rating of
receptacles. Exceeding rating will trip receptacle circuit breaker.
Use receptacles properly. Improper use could
damage generator. Use only grounded extension cords. Power only grounded or doubleinsulated items. Do not overload receptacles.
All generators have the following receptacles
(see Figure 12):
• 120V, 15-amp GFCI duplex receptacle
• 120V, 30-amp twist-lock receptacle
• 120/240V, 20 and 30-amp twist-lock
receptacle
• 120V, 20-amp duplex receptacle
120V, 15-Amp GFCI Duplex
120V, 20-Amp Duplex
120V, 30-Amp Twist-Lock
120V
G
F
C
I
120V
RESET
TEST
120V
TW
ISTLO
C
K
POWER CORD AND PLUG
REQUIREMENTS
120V, 30-amp twist-lock receptacle
• NEMA L5-30P plug
• Three-wire, 30-amp cord
120/240V, 20 or 30-amp twist-lock
receptacle
• NEMA L14-20P (20-amp) or L14-30P
(30-amp) plug
•Four-wire, 20-amp and 30-amp cord
Note:
We supply the engine owner’s manual
with generator. Refer to that manual for
questions concerning engine operation.
HOU
R
M
E
TER
E
N
M
00000005
HOU
RS
1/1
0
12
0/24
TW
IS
0V
AU
TO
-ID
OFF
R
ESET
TLO
C
LE
ON
K
120/240V
TW
IS
TLO
C
K
R
E
SET
R
E
S
ET
R
E
SET
120/240V, 30 Amp
Twist-Lock
120/240V, 20 Amp Twist-Lock
Figure 12 - Receptacle Locations
10
Figure 13 - Cord and Plug Configurations
115407
OWNER’S MANUAL
OPERATION
Continued
PRESTART
Operate generator on a firm, dry, and clean
surface. The surface must be level. Protect
generator from heavy dust, sand, dirt, rain, or
snow. Do not locate generator near standing
water and snow. Make sure area is well-vented.
WARNING: Only responsible
adults should use generator.
Never let anyone operate generator without proper instructions.
Note:
If oil level is too low, oil alert system
will keep engine from starting (see Oil AlertSystem, page 5). Make sure oil level is full
before starting. See Engine Oil, page 6.
Before starting the engine, disconnect all
electric loads from generator.
STARTING
IMPORTANT:
The throttle is locked in preset position. Do
not adjust throttle. Preset position lets engine run at 3600 RPM under load. The
engine must maintain 3600 RPM for generator to create correct voltage. Running
engine at lower speeds will damage generator and powered items.
1.Make sure gasoline tank is full. See
Fuel, page 6 for fuel information.
2.Pull choke button out (see Figure 14).
This closes the choke.
Note:
if engine is warm or air temperature is
high.
The engine speed is preset.
Never start generator with
You may not need to close choke
3.Start the engine.
Turn the engine switch to the START
position (see Figure 15). Hold it there
until engine starts. When engine starts,
let switch return to the ON position.
IMPORTANT:
Do not use electric
starter more than five seconds. Starter
motor damage may occur. If engine
fails to start, release the switch and wait
ten seconds. After ten seconds, try starting again.
Note:
If engine does not start, check
the oil in the crankcase. Add oil as necessary. Be sure engine is on a level surface. See Oil Alert System, page 5.
4.As engine warms up, the choke will automatically open.
HONDA
OFFONSTART
ENGINE SW
Engine
Switch
Figure 15 - Engine Switch
CIRCUIT
BREAKER
ON/push OFF
AUTO-IDLE OPERATION
IMPORTANT:
trical loads connected. Start engine before
adding electrical loads.
1.If engine is cold, turn the Auto-Idle
switch OFF (see Figure 16).
2.Start engine. Allow engine to warm up
with no load for five minutes.
3.Turn Auto-Idle switch ON. Engine will
slow to idle speed. Engine idle speed
is preset. Idle speed adjustment should
not be necessary.
4.Operate generator according to specifications outlined in owner’s manual.
5.Engine will automatically increase to
normal operating speed when you plug
load into any generator outlet.
6.The Auto-Idle system should be turned
OFF when generator is shut down.
Auto-Idle Switch (Shown in ON Position)
Figure 16 - Control Panel
Never start engine with elec-
120V
GFCI
120V
RESET
TEST
HOUR METER
E
NM
00000005
HO
U
RS
1/1
0
AU
TO-ID
OFFON
120/240V
TWISTLOCK
LE
TW
120/240V
TW
120V
ISTLOCK
ISTLO
CK
Choke Button
Pulled Out
(Closed
Position)
Figure 14 - Choke Button Closed
115407
Continued
11
R
PORTABLE GASOLINE GENERATORS
OPERATION
Continued
Adjusting the Idle Speed
IMPORTANT:
• If the idle speed becomes too high.
• If the engine idle speed will not regulate (engine wants to “hunt” or speeds up and
slows down repeatedly).
1.Turn Auto-Idle switch OFF. Start en-
gine. Allow engine to warm up with no
load for five minutes.
WARNING: Always set the idle
speed before turning on the AutoIdle. If idle speed is not set, the
larger resistor on the control board
may become hot. Heat from the
resistor may damage the protective coating on the control board.
2.Connect a volt meter to the 120-volt
duplex receptacle.
3.Fully push plunger into the solenoid
body (to manually engage solenoid)
and slowly bend solenoid bracket back
until the engine is running at the proper
idle speed. At proper idle speed (2680
minimum RPM), the meter should read
50-60 Volts. Lower settings will cause
the Auto-Idle to not operate properly.
Adjust the idle speed only:
4.Turn Auto-Idle switch ON. Make sure
solenoid is engaged. When engaged, the
punger is pulled back into the solenoid.
5.If the engine speed is too slow, the engine will want to “hunt” or speed up
and slow down repeatedly. When this
occurs, increase engine speed by adjusting the throttle (refer to engines operation in Engine Manual).
Solenoid
Mounting
Bracket
Bolt
Figure 17 - Solenoid Bracket Location
HIGH ALTITUDE OPERATION
This generator will not perform well at high
altitudes without proper adjustment. See
engine owner’s manual for details.
ADDING ELECTRICAL
LOADS
IMPORTANT:
Make sure total wattage of all electrical loads
does not exceed rated wattage of generator.
Overloading may shorten generator life. It
could also cause internal damage to generator. Overloading will trip circuit breaker.
1.Check items to be powered. Their
nameplate lists their wattage ratings.
Note:
electrical motors are misleading. They
may require up to three-times their
rated wattage to start. You must figure
total electrical load wattage. Make sure
total wattage of all electrical loads does
not exceed rated wattage of generator.
See Determining Electrical Load ForGenerator, page 9.
2.Start engine. Let engine reach full
speed.
3.Connect electrical loads one at a time.
If the load consists of electric motors,
start them first. Always start the largest first. Start each motor individually.
Do not overload generator.
The wattage ratings for some
DISCONNECTING ELECTRIC
LOADS
12
Remove electrical loads one at a time. Remove voltage sensitive items first. Voltage
sensitive items include TVs, VCRs, and
other home electronic items.
115407
OWNER’S MANUAL
OPERATION
Continued
STOPPING ENGINE
IMPORTANT:
The throttle is locked in preset position. Do
not adjust throttle.
Follow the steps below to stop engine.
1.Remove all electrical loads from generator (see Disconnecting ElectricalLoads, page 12). Remove electrical
loads one at a time.
2.Let engine run for two or three minutes after removing electrical loads.
This lets engine cool slightly.
3.Turn engine switch to the OFF position (see Figure 18).
Engine
Switch
Figure 18 - Engine Switch
The engine speed is preset.
HONDA
OFFONSTART
ENGINE SW
CIRCUIT
BREAKER
ON/push OFF
MAINTENANCE
AND REPAIRS
WARNING: Only a qualified
electrical service person should
service and repair the alternator
on this generator. Use only factory approved replacement parts.
CAUTION: The engine speed
is preset. The throttle is locked in
preset position. Do not adjust
throttle. Preset position lets engine run at 3600 RPM under load.
The engine must maintain 3600
RPM for generator to create correct voltage. Running engine at
lower speeds will damage generator and powered items.
CAUTION: Shut off generator
before performing maintenance.
IMPORTANT:
servicing. Never turn generator upside down
or stand it on end to service.
Note:
We supply the engine owner’s manual
with generator. Refer to that manual for
questions concerning engine maintenance
and repairs.
Non-engine parts require little maintenance.
Keep generator clean. Use a damp cloth to
clean outside surfaces. Never use water to
clean generator. Water can cause damage to
internal parts. Use vacuum to clean air inlet
and outlet louvers of alternator.
Keep generator level when
STORAGE
WARNING: Remove all fuel
from fuel tank before storing generator. Store fuel in approved container. Store fuel in a well-vented
area free of open flames or sparks.
WARNING: The muffler becomes very hot during operation.
The muffler remains hot for a
while after shutdown. Let engine
cool before storing.
IMPORTANT:
in storage. Never store generator upside
down or standing on end.
Note:
We supply the engine owner’s manual
with generator. Refer to that manual for
questions concerning engine storage.
Use a fuel additive, such as STA-BIL® or an
equivalent, when storing generator with fuel
in fuel tank. This will minimize fuel gum
deposits from forming in engine.
Cover and store generator in a clean, dry
place. Do not expose generator to extreme
high or low temperatures during storage.
Keep generator level while
115407
13
R
PORTABLE GASOLINE GENERATORS
SERVICING THE
ENGINE
Honda parts and services should be handled
by your nearest authorized engine service
firm. Check the yellow pages of your telephone directory under the listing:
Engines Gasoline, Honda
or visit:
www.honda-engines.com
or call Honda direct:
1-800-426-7701
TROUBLESHOOTING
Note:
For additional help, visit DESA
Specialty Products’™ technical service
web site at www.desatech.com.
OBSERVED PROBLEM
No voltage when starting generator with no
electrical load
TECHNICAL
SERVICE
You may have further questions about assembling, operating, or maintaining this
product. If so, you can visit our Technical
Service web site at
contact our Technical Service Department
at 1-800-858-8501 (English Only). You may
also write to:
DESA Specialty Products™
ATTN: Technical Service Specialty Products
P.O. Box 90004
Bowling Green, KY 42102-9004
WARNING: Only a qualified electrical service person should service
and repair generator. Use only factory approved replacement parts.
Note:
See engine owner’s manual for engine troubleshooting.
POSSIBLE CAUSE
1. Loss of residual magnetism
2. Winding short circuit or loose
connections
3. Defective rotor diode
4. Defective capacitor
www.desatech.com or
When contacting DESA Specialty Products™, have ready
•Your Name
•Your Address
•Your Phone Number
• Model Number of Product
• Serial Number
•Date of Purchase (Include copy of receipt
for written requests).
REMEDY
1. Apply 12-volt battery to capacitor ter-
minals for 2-3 seconds
2. Check resistance of coils (see Electri-
cal Component Specifications, page 15)
3. Replace both diodes on rotor
4. Replace capacitor
Voltage is less than normal voltage with no
electrical load
Voltmeter reading more than 10% high with
no electrical load
Voltmeter reading correct with no electrical
load, but more than 10% low when electrical load is added
1. Engine speed too low
2. Defective rotor diode
3. Partial short circuit in winding
4. Defective capacitor
1. Engine speed too high
1. Defective rotor diode
2. Electrical load too high
3. Engine not running properly
www.desatech.com
14
1. Set engine speed to 3720 RPM (62 Hz)
with no load
2. Replace both diodes on rotor
3. Check resistance of coils (see Electri-
cal Component Specifications, page 15)
4. Replace capacitor
1. Set engine speed to 3720 RPM (62 Hz)
with no load
1. Replace both diodes on rotor
2. Do not overload generator
3. Contact an authorized engine service
center
115407
OWNER’S MANUAL
ELECTRICAL
COMPONENT
SPECIFICATIONS
Resistance in Ohms
StatorStatorRotorCapacitor,
MainAuxiliaryPrimaryMFDDiodes (2)
ModelWinding * Winding ‡ Winding †450 Volt1000 Volt
MGH8500IE0.431.09627.782458 Amp
*
Connect T2 (green) and T3 (black). Measure resistance between T1 (red) and T4 (blue).
‡
Resistance between brown and white leads.
†
Remove diodes to check resistance.
115407
15
R
PORTABLE GASOLINE GENERATORS
WIRING DIAGRAM
Stator
T1
T2
T3
Stator
L1
110/120V
220/240V
110/120V
T4
L2
120V, 30A
Receptacle
White
120V, 20A
Receptacle
Black
120V, 15A
Receptacle
Red
White
T1
T4
Brown
B
lue
T3
Auxiliary
Diode
Black
Phase
Rotor
Red
Green
T2
Blue
Diode
Red
White
White
Green
Capacitor
T4
T3
T1
T2
Main
W
indings
Red
Green/
Yellow
Green/
Yellow
Red
Grn/
Ylw
120/240V
20A/30A
R
e
Circuit
Breaker
Red
ceptacle
45A
W
Blk
ht
W
ht
Green/
Yellow
Circuit
Breaker
45A
Duplex
120/240V
20A/30A
R
e
ceptacle
Blk
Wht
Grn/
Ylw
Grn/
Ylw
Blk
Circuit
Breaker
20A
Green/Yellow
White
Green
Auto-Idle
Red
Circuit
Breaker
Red
GFCI
HOT
L
I
NE
Hour
M
eter
20A
Black
WHITE
White
Red
Wht
W
Wht
ht
Yellow
2
s
1
s
White
White
To Solenoid
White
Red
Yellow
Green/Yellow
To Alternator
Ground
16
Green/
Yellow
To Roll Cage
White
115407
OWNER’S MANUAL
ILLUSTRATED
PARTS LIST
Alternator Assembly
This list contains replaceable parts used
in your generator. When ordering parts,
follow the instructions listed under Re-placement Parts on page 23 of this
manual.
* Part not available by itself. Must purchase Alternator Assembly.
** Available at any hardware store.
17
R
PORTABLE GASOLINE GENERATORS
ILLUSTRATED
PARTS LIST
Fuel Tank and Roll Cage
11
13
FU
EL
E
F
3
4
1
S
A
F
E
TY
I
N
FO
RM
A
TIO
N
U
n
le
ad
e
d
G
a
so
lin
e
O
n
ly
2
17
7
6
5
9
120V
GFCI
HOUR METER
00000005
O
H
TO
AU
FF
O
RE
120V
TWISTLOCK
120V
T
E
S
E
R
T
S
E
T
NM
E
1/1
S
R
U
E
L
-ID
N
O
T
SE
120/240V
TWISTLOCK
120/240V
TWISTLOCK
0
ET
S
RE
T
SE
RE
ET
RES
14
15
16
14
15
14
8
16
10
12
15
14
11
12
18
115407
ILLUSTRATED
PARTS LIST
Fuel Tank and Roll Cage
This list contains replaceable parts used in
your generator. When ordering parts, follow the instructions listed under Replace-ment Parts on page 23 of this manual.
KEYPART
NO.NUMBERDESCRIPTIONQTY.
125954002Gas Cap/Fuel Gage1
2114720-01Gas Tank (with 90° fitting)1
3114787-01Screw, 1/4"-28 x 3/4"4
4WP-4CWasher, 1/4"4
519508001Gas Line Clamp2
625985005Fuel Line1
7099743-01Fuel Filter1
8115398-01Roll Cage1
9M10908-27Screw #10-32 x 1/2"6
10114685-02Spacer1
11 *Bolt, 5/16"-18 x 1/2"2
100003-06Operation Decal1
*5/16"-18 x 1/2" Grounding
Bolt1
*5/16" Flat Washer1
*5/16" SEMS Nut1
* Available at any hardware store.
19
R
PORTABLE GASOLINE GENERATORS
ILLUSTRATED
PARTS LIST
Solenoid and Control Board
Assemblies and Mounting
2
5
3
4
6
7
Solenoid Assembly and Mounting
1
DESA
T1
Control Board Assembly and Mounting
20
115407
ILLUSTRATED
PARTS LIST
Solenoid and Control Board
Assemblies and Mounting
This list contains replaceable parts used in
your generator. When ordering parts, follow the instructions listed under Replace-ment Parts on page 23 of this manual.
100320-01Yellow Wire1
100322-01White Wire (with 2 Flags)1
100322-02White Wire (with 1 Flag and 1 Spade)1
100366-01Rocker Switch1
OWNER’S MANUAL
Circuit Board Locking Supports)1
Plunger, Nut, and Lock Washer)1
PARTS AVAILABLE NOT SHOWN
115407
21
R
PORTABLE GASOLINE GENERATORS
ILLUSTRATED
PARTS LIST
Control Panel
This list contains replaceable parts used in
your generator. When ordering parts, follow the instructions listed under Replace-ment Parts on page 23 of this manual.
* Includes fastening hardware
‡ Not shown
† Includes reference numbers 1 through 14
1
1
22
115407
OWNER’S MANUAL
REPLACEMENT
PARTS AND
ACCESSORIES
For original replacement parts and accessories, contact your nearest Authorized Dealer
or Authorized Service Center for this product. If they can not supply the part or accessory, contact your nearest Parts Central listed
below. Each Authorized Dealer, Authorized
Service Center, and Parts Central is independently owned and operated.
See pages 17 through 22 for an Illustrated
Parts List.
If you need additional referral information,
contact our Technical Service Department
(see Technical Service, page 14).
In Canada call 1-800-561-3372 for parts
information.
Heavy-Duty Wheel Kit – PA2020
Wheelbarrow-style wheel kit. Makes generator easy for one person to move.
This kit includes:
• Large 12-inch wheels for easy rolling
•Powder coated tubing and plated hardware for long life
• Long handles with thick grips for greater
comfort and control
Complete installation instructions included.
REPAIR SERVICE
Note:
Only use original replacement parts.
This will protect your warranty coverage for
parts replaced under warranty.
Each Authorized Service Center is independently owned and operated.
For additional Service Center or warranty
information, call 1-800-858-8501 or visit
our Technical Service web site at
www.desatech.com.
WARRANTY SERVICE
If product requires warranty service, return it
to nearest Authorized Service Center. You
must show proof of purchase. If faulty materials or workmanship caused damage, we will
repair or replace product without charge.
Note:
Normal wear, misuse, abuse, neglect, or accidental damage is not covered under warranty.
NON-WARRANTY SERVICE
If product requires service, return it to nearest Authorized Service Center. Repairs will
be billed to you at regular repair list prices.
PARTS CENTRALS
These Parts Centrals are privately owned
businesses. They have agreed to support our
customer’s needs by providing original replacement parts and accessories.
1657 Shermer Road
Northbrook, IL 60062-5362
708-498-5900
1-800-323-0620
www.grainger.com
Portable Heater Parts
342 North County Road 400 East
Valparaiso, IN 46383-9704
219-462-7441
1-800-362-6951
www.portableheaterparts.com
sales@portableheaterparts.com
techservice@portableheaterparts.com
FBD
1349 Adams Street
Bowling Green, KY 42103-3414
270-846-1199
1-800-654-8534
franktalk@aol.com
Master Part Distributors
1251 Mound Avenue NW
Grand Rapids, MI 49504-2672
616-791-0505
1-800-446-1446
www.masterparts.net
Bowden Electric Motor Service
1681 S. Wesleyan Blvd.
Rocky Mount, NC 27803
252-446-4203
East Coast Energy
10 East Route 36
West Long Branch, NJ 07764-1501
1-800-755-8809
Laporte’s
2444 N 5th Street
Hartsville, SC 29550-7704
843-332-0191
4109 Bainbridge Blvd.
Chesapeake, VA 23324-1403
757-543-2232
1-800-788-0008
catatem@erols.com
Mills Lawn and Garden
4750-B Baxter Road
Virginia Beach, VA 23462
757-490-7001
www.mills-parts.com
Tuco Industrial Products
5223 180th Street SW
Suite 4A-1
Lynnwood, WA 98037-4506
425-743-9533
1-800-735-1268
www.tucoheat.com
115407
23
WARRANTY INFORMATION
KEEP THIS WARRANTY
Model
Serial No.
Date Purchased
Always specify model and serial numbers when communicating with the factory.
We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard
written warranty. We make no other warranty, expressed or implied.
FIVE-YEAR LIMITED WARRANTY
GASOLINE PORTABLE GENERATORS
DESA Specialty Products™ makes no warranty with respect to the engine and engine components not of its manufacture. They are subject to warranties of their manufacturers. Honda warrants the engine. See engine owner’s manual
for engine warranty information.
DESA Specialty Products™ warrants each generator, excluding engine, of its manufacture, to be free from defects in
material and workmanship for five years from the date of first purchase from an authorized dealer, provided that the
product has been properly installed, maintained, and operated in accordance with all applicable instructions. The bill
of sale or proof of purchase must be presented at the time a claim is made under this warranty.
This warranty is extended only to the original retail purchaser. This warranty covers only the parts and labor required
to restore this unit to its proper operating condition. Warranty parts must be obtained through factory authorized
dealers and service centers for this product. These dealers and service centers will provide original factory replacement parts. Failure to use original factory replacement parts voids this warranty.
This warranty does not apply to parts that are not in original condition because of normal wear and tear, or parts that
fail or become damaged as a result of misuse, abuse, negligence, accident, lack of proper maintenance, alteration,
modification, tampering, contaminated fuels, repair using improper parts, or repair by anyone other than an authorized
dealer or service center. Routine maintenance is the responsibility of the owner. Travel, handling, transportation, and
incidental costs associated with warranty repairs are not reimbursable under this warranty and are the responsibility of
the owner.
To the full extent allowed by the law of the jurisdiction that governs the sale of the product, this express warranty
excludes any and all other expressed warranties and limits the duration of any and all implied warranties, including
warranties of merchantability and fitness for a particular purpose to five years from the date of first purchase, and DESA
Specialty Products’™ liability is hereby limited to the purchase price of the product and DESA Specialty Products™
shall not be liable for any other damages whatsoever including indirect, incidental, or consequential damages.
Some states do not allow limitation of how long an implied warranty lasts or an exclusion or limitation of incidental
or consequential damages, so the above limitation of damages may not apply to you.
This warranty provides the original purchaser with specific rights. For information regarding those rights, please
consult the applicable state laws.
Bowling Green, KY 42101
www.desatech.com
115407-01
REV. A
10/04
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