Generac Power Systems 0661-5 - Manual (Page 14)

Figure 10 — Adjusting Valve Clearance
2. When valve clearance is correct, hold the pivot ball stud
with the alien wrench and tighten the rocker arm jam nut
with a crows foot. Tighten the jam nut to 65-85 inch-
pounds torque. After tightening the jam nut, recheck valve
clearance to make sure it did not change (Figure 11).
Figure 11 — Tightening Jam Nut
Tighten Jam Nut to
65-85 inch-pounds
(7-10 N-m)
MAJOR SERVICE MANUAL
To obtain a service manual for your generator, order it
from your dealer/distributor or contact the factory. Be
sure to identify your unit’s MODEL NUMBER and
SERIAL NUMBER.
EXERCISING THE GENERATOR
Generac recommends that you start and operate the
generator at least once every seven days. Let the unit
run for at least 30 minutes to “exercise” the engine.
OUT OF SERVICE PROTECTION
If you cannot exercise the generator every seven
days and it is to be out of service longer than 30 days,
prepare the generator for storage as follows:
• Start the engine and let it warm up.
• While the engine is still warm from running, drain the oil
completely. Refill crankcase with recommended oil. See
“Specifications.”
• Attach a tag to the engine indicating the viscosity and
classification of the oil in the crankcase.
• Remove spark plug and add about 1/2 ounce (15ml) of
clean, fresh engine oil into spark plug threaded opening.
Crank engine several times to distribute oil, then install
and tighten spark plug.
• Remove the battery and store In a cool, dry room on a
wooden board. Never store the battery on any concrete
or dirt floor.
• Clean and wipe the entire generator.
RETURN 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 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 BATTERY.
Recharge battery to 100% state of charge, or, if defective,
replace the battery.
• Turn OFF all electrical loads, then start the engine.
• Let engine warm up.
• Apply electrical loads to at least 50% of the unit’s rated
wattage capacity.
• When engine is thoroughly warmed up, shut it down.
THE GENERATOR IS NOW READY FOR SERVICE.
SERVICE DEALER LOCATION
TO LOCATE THE NEAREST GENERAC SERVICING DEALER, PLEASE CALL OUR 800 NUMBER.
ONLY DEALER LOCATION INFORMATION CAN BE OBTAINED AT THIS NUMBER.
1
-
800
-
333-1322
12