Generac Power Systems Air-cooled Recreational Vehicle Generator 9734-3 - Manual (Page 16)

Generac NP-
MAJOR SERVICE MANUAL
To obtain a service manual for your generator, order it from
your deaier/distrttxitor or contact the factory. Be sure to iden­
tify your unit’s MODEL NUMBER and SERIES.
DRIVE BELTS
The engine drives the generator rotor by means of a pulley
and drive belt arrangement. The drive train, drive belt and pul­
leys are warranted for the life of the generator. Drive belt
tension was properly adjusted before the unit was shipped from
the factory. If you suspect that drive belt tension is incorrect,
contact an authorized service facility.
OUT OF SERVICE PROTEQION
If you cannot exercise the generator every seven days and it
is to be out of service longer than 30 days, prepare the gen­
erator for storage as follows:
• Start the engine and let it warm up.
• Close the fuel shutoff valve in the fuel supply line and let
the engine “run out of fuel.”
• While the engine is still warm from running, drain the oil com­
pletely. Refill the crankcase with SAE10W-30 oil having an
API classification “For Service SP
• Attach a tag to the engine indicating the viscosity and clas-
sification of the oil in the crankcase.
• Remove spark plugs and pour about two or three table­
spoons of clean, fresh engine oil into spark plug threaded
openings. Crank engine several times to dtetribute oil, then
iristaU and tighten spark plugs. ,
• Remove the battery and store in a cool, dry room on a
wooden board. Never store the battery on any concrete or
wooden floor.
• Clean and wipe the entire generator.
RETURN THE UNIT TO SERVICE
AFTER STORAGE
To return the unit to service after storage, proceed as follows;
• Check tag on engine for oil viscosity and classification.
Verify that the correct recommended oil is used in the
engine. If necessary, drain and refill with proper oil.
• Check battery. Fill all cells to the proper level with distilled
water. DO NOT USE TAP WATER IN THE BAHERY.
Recharge battery to 100% state-of-charge, or, if defective,
replace the battery.
• Turn OFF all electrical loacte, then start the engine.
• Let the engine warm up.
• Apply electrical loads to at least 50% of the unit’s rated
wattage capacity.
• Mien the engine is thoroughly warmed, shut it down.
THE GENERATOR IS NOW READY FOR SERVICE.
R e c r e a t i o n a l V e h i c l e G e n e r a t o r
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