Generac Power Systems 0940-1 - Manual (Page 13)

MAINTENANCE
This section includes information about sirtiple main­
tenance which includes the following tasks;
• Checking engine oil level.
• Changing engine oil.
• Changing oil filter.
• Air cleaner maintenance.
• Cleaning the air intake screen.
Cleaning spark arrestor.
• Cleaning spark plug.
Replacing fuel filter.
Servicing inverter.
CHECKING ENGINE OIL LEVEL
Check engine crankcase oil level at least every eight
hours of operation, or before each use (Figure 2).
• Be sure the generator is as level as possible.
• Remove oil dipstick and wipe dry with clean, lint-free
cloth.
• Install and tighten oil dipstick, then remove again.
• Oil should be at dipstick FULL mark. If necessary, add
the recommended oil to the FULL mark only. DO NOT
FILL ABOVE “FULL" MARK.
• Install and tighten oil dipstick cap before operating the
engine.
Figure 2 — Oil Dipstick and Fill Tube
NOTE: See “Engine Oil Requirements” on Page 10
for recommended oils.
CHANGE ENGINE OIL
Change engine oil after the first 8 hours of operation.
Thereafter, change oil every 50 operating hours.
Change oil more frequently if operating consistently
under heavy load or at high ambient temperatures.
• Warm up engine for at least five minutes, then shut down.
• With engine still warm from running, clean area around
' oil drain plug and remove oil drain plug (Figure 3). Drain
oil completely into a suitable container.
• When oil has drained, install and tighten drain plug.
• Remove oil dipstick and fill crankcase with the recom­
mended oil (See Page 10). The engine crankcase can
hold about 1 quart (950ml). DO NOT FILL ABOVE “FULL”
MARK.
• Install and tighten dipstick cap before operating engine.
CHANGE OIL FILTER
Replace the engine oil filter after the first 8 hours of
operation, every 50 operating hours thereafter.
• Turn oil filter counterclockwise to remove (Figure 3).
Figure 3 — Oil Drain Plug and Engine Oil Filter
• Turn new filter clockwise until its gasket contacts lightly
with the filter adapter. Then tighten an additional 3/4 to
one turn by hand.
• Run engine and check for leaks.
NOTE: Check oil level and fill to full mark after
checking for leaks. Filter will retain some oil.
ENGINE AIR CLEANER
Paper Filter: Once every 25 operating hours or once
each year (whichever comes first), clean or replace
the paper filter (Figure 4). Follow the steps on page
12
.
Figure 4 — Engine Air Cleaner Assembly
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