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Generac Power Systems 00941-3 Owners And Installation Manual: Section 3 – Maintenance; Maintenance; Change Engine Oil; Change Oil Filter

Air-cooled recreational vehicle generator with inverter.
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3.1
MAINTENANCE
This section includes information about simple
maintenance 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.
3.2
CHECKING ENGINE OIL LEVEL
Check engine crankcase oil level at least every eight
hours of operation, or before each use (Figure 3.1).
• 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 3.1 — Oil Dipstick and Fill Tube
Oil Dipstick and Fill Tube
See "Engine Oil Requirements", Section 2.9 for
recommended oils.
10 Generac
®
Power Systems, Inc.
Section 3 – Maintenance
IMPACT-36 plus II Recreational Vehicle Generator
NOTE:
3.3
CHANGE ENGINE OIL
Change engine oil after the first 25 hours of opera-
tion. Thereafter, change oil every 100 operating
hours. Change oil more frequently if operating con-
sistently under heavy load or at high ambient tem-
peratures.
• 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 3.2). Drain oil completely into a suitable
container.
• When oil has drained, install and tighten drain
plug.
• Remove oil dipstick and fill crankcase with the
recommended oil (See Page 11). The engine
crankcase can hold about 1 quart (950ml). DO
NOT FILL ABOVE "FULL " MARK.
• Install and tighten dipstick cap before operating
engine.
3.4
CHANGE OIL FILTER
Replace the engine oil filter after the first 25 hours of
operation, every 100 operating hours thereafter.
• Turn oil filter counterclockwise to remove (Figure
3.2).
Figure 3.2 — Oil Drain Plug and Engine Oil Filter
• Coat gasket of new filter with engine oil.
• Turn new filter clockwise until its gasket contacts
lightly with the filter adapter. Then tighten an addi-
tional 3/4 to one turn by hand.
• Run engine and check for leaks.
Check oil level and fill to full mark after checking
for leaks. Filter will retain some oil.
NOTE:

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