EXTREMELY
DUSTY
OR
DIRTY
CONDITIONS
Observe the following procedures when operating the
generator set in extremely dusty or dirty conditions.
1.
Keep the generator set clean and do not allow dust
2.
Clean the air cleaner more often than shown in the
and dirt to accumulate.
maintenance schedule.
PROBLEM
FAILS TO CRANK
(ELECTRIC START MODELS)
GENERATOR SET EXERCISE
Infrequent operation of the generator set can result in
moisture condensation in theengine and difficultstarting.
Moisture accumulates because the engine does not run
often enough to reach normal operating temperature.
This moisture can cause damage to the engine.
To
prevent moisture damage, run the generator set at
50
percent capacity (see
Specifications
section)
two
hours
every four weeks.
A
long exercise period is more effective
than several short periods.
.
>
PROBABLE
CAUSE
SOLUTION
1.
Low Battery
2.
Bad battery connection.
1.
Check battery electrolyte level and charge.
2
Clean and tighten all battery and cable connections.
3.
Keep oil and gas in dust-tight containers suitable for
storage
of
fuels.
~~
______~
1.
Low battery.
2.
Bad battery connection.
3.
Oil is too heavy.
4.
Load
is
connected.
TABLE
3-2.
TROUBLESHOOTING GUIDE
~~~ ~ ~~ ~ ~~
1.
Check battery electrolyte level and charge.
2
Clean and tighten all battery and cable connections.
3.
Replace
with
lighter oil.
4.
Always disconnect load while starting.
The following troubleshooting guide can be used for basic problem diagnosis.
If
these recommendations do not resolve
the problem, contact an authorized Onan service center.
Many troubleshooting procedures presenf hazards that can result in severe personal injury or
death. On/y qualified service personnel with knowledge of iuels, electricity andmachinery hazards
should perform service procedures. Review safety precautions
on
inside cover page.
1.
Outoffuel.
2.
Fuel supply valve closed.
3.
Carbon deposits on
spark
4.
Low oil level.
Plug-
1.
Add fuel.
2
Fully open fuel supply valve.
3.
Remove and clean or replace.spark plug.
4.
Add oil
as
necessary.
CRANKS
SLOWLY
(ELECTRIC START MODELS)
1.
Choke closed.
2.
Dirty
air
filter.
3.
Rich fuel mixture.
1.
Openchoke.
2.
Clean
or
replace air filter.
3.
Contact an Onan service center.
ENGINE WONT START
1.
Loose
or
worn
spark plug
lead.
2.
Faulty spark plug.
3.
Dirty fuel filter or generator
set at too
steep
of an angle.
4.
Governor out
of
adjustment
or lean fuel mix.
1.
Check spark plug
lead
connection.
2.
Remove and clean
or
replace spark plug.
3.
Check fuel filter and generator set angle.
4.
Contact an Onan service center.
EXHAUSTING BLACK
SMOKE
1.
Open DC circuit breaker
due to an overload.
1.
Remove all loads, reset circuit breaker, check for an overload
or
shortec
battety. Do not exceed generator set rated load specifications.
UNIT RUNS THEN STOPS
UNIT RUNS BUT SURGES
1.
Outoffuel.
2.
Low oil level.
3.
Excess
oil.
1.
Addfuel.
2
Add oil.
3.
Reduce oil level.
NO AC OUTPUT VOLTAGE
1.
Open AC circuit breaker
1.
Remove all loads, re-set circuit breaker, check tools or appliances being
used for defects. Do not exceed generator set rated load specifications.
I
dueto an overload.
1
NO
DC OUTPUT VOLTAGE
Y
A
3-8
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