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Onan HGJAB Service Manual

Onan HGJAB
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2-3
WARNING
EXHAUST GAS IS DEADLY!
Exhaust gases contain carbon monoxide, an odorless, colorless gas. Carbon monoxide is poisonous
and can cause unconsciousness and death. Symptoms of carbon monoxide poisoning include:
Dizziness Throbbing in Temples Nausea
Muscular Twitching Headache Vomiting
Weakness and Sleepiness Inability to Think Clearly
IF YOU OR ANYONE ELSE EXPERIENCES ANY OF THESE SYMPTOMS, GET OUT INTO THE FRESH
AIR IMMEDIATELY. If symptoms persist, seek medical attention. Shut down the genset and do not op-
erate it until it has been inspected and repaired.
Never sleep in the vehicle with the genset running unless the vehicle is equipped with a working car-
bon monoxide detector. Primary protection against inhaling carbon monoxide, however, is proper
installation of the exhaust system, daily (every eight hour) inspection for visible and audible exhaust
system leaks.
CONDUCTING PRE-START CHECKS
Before the first start of the day and after every eight
hours of operation, inspect the genset as instructed
under CONDUCTING GENERAL INSPECTIONS
(Page 3-2). Keep a log of maintenance and the
hours run and perform any maintenance that may
be due.
Before each start:
1. Make sure all vehicle CO detectors are work-
ing.
2. Check for signs of fuel and exhaust leaks and
for damage to the exhaust system.
3. To prevent overheating and to reduce fouling
with dust and debris, make sure the genset’s
normal ground clearance is not being reduced
by sloping ground, curbs, logs or other objects.
Repark the vehicle if necessary and/or remove
any objects blocking the air inlet or air outlet.
4. Turn off the air conditioner and other large ap-
pliances.
5. If the genset is equipped with an hydraulic
pump, check and refill the oil reservoir as nec-
essary.
PRIMING GASOLINE FUEL SYSTEMS
If a gasoline genset ran out of fuel, prime the fuel
system by holding the control switch at STOP/
PRIME for 30 seconds. (The status indicator light
will stay on solid while the pump is on.)
STARTING THE GENSET
Start the genset from the genset control panel or re-
mote control panel inside the vehicle (Page 2-2).
1. Push and hold the switch at START until the
genset starts. The status indicator light on the
switch flashes while cranking. It will come on
solid when the starter disconnects, indicating
that the genset is running. (Because the genset
control has to “wake up,” a slight delay might be
noticed before anything seems to happen. On
models with fuel injection, the delay could be up
to 3 seconds to pressurize the fuel injectors.)
2. The genset control will discontinue cranking if
the genset does not start within 30 seconds
and will cause the status indicator light to blink
Fault Code No. 4. Wait 5 seconds for the con-
trol to reset before trying again. See Section 11.
Troubleshooting if the genset does not start af-
ter two or three tries.
CAUTION
Do not risk burning out the
starter motor by continued attempts to
start. Find out why the genset is not starting
and repair as necessary.
3. For top performance and engine life, especially
in colder weather, let the engine warm up for
two minutes before connecting appliances.
4. Check for fuel and exhaust leaks. Stop the gen-
set immediately if there is a fuel or exhaust leak
and have it repaired.
5. Always secure the access cover after starting
the genset at the genset control panel.
WARNING
Operating the genset with the
access cover off can lead to severe burns
and overheating of components. Always
secure the cover after starting the genset.

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Onan HGJAB Specifications

General IconGeneral
BrandOnan
ModelHGJAB
CategoryPortable Generator
LanguageEnglish

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