Generac Power Systems Air-cooled Recreational Vehicle Generator 9734-3 - Manual (Page 13)

Generac NP-66LPG Recreational Vehicle Generator
This section includes information about simple maintenance
which includes the following tasks:
• Checking engine oil level.
• Changing engine oil.
• Changing oil filter.
• Changing the air cleaner.
• Cleaning the air intake screen.
• Cleaning spark plugs.
CHECKING ENGINE OIL LEVEL
Check engine crankcase oil level at least every eight hours of
operation, or before each use (Figure 7).
• 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.-
NOTE: See “Engine Oil Requirements" on Page 12 for rec­
ommended oiis.
Figure 7 — Oil Dipstick and Fill Tube
CHANGE ENGINE OIL
Change engine oil after the first 25 hours of operation (after
the 25 hour break-in period. Page 8). Thereafter, change oil
every 50 operating hours. Change oil more frequently if oper-
-.ating consistently under heavy load or at high ambient
temperatur^
• Warm up erigine for at-least.five minutes, then shut down.
With engine still warm from running, remove capifrom oil
drain hose (Figure 8). Drain oil completely into a suitable
container.
When oil has drained, install and tighten drain hose cap.
Remove oil dipstick and fill crankcase with the recom­
mended oil (See Page 12). The engine crankcase can hold
about 1.4 liters. DO NOT FILL ABOVE “FULL” MARK.
Install and tighten dipstick cap before operating engine.
Figure 8 — Location of Oil Drain Plug
OIL DFIAIN
PLUG
CHANGE OIL FILTER
Replace the engine oil filter after the first 25 hours of opera­
tion, every 100 operating hours thereafter.
• Turn oil filter counterclockwise to remove (Figure 9).
• Coatgasketof new filter with engine oil.
• Turn new filter clockwise until its gasket contacts tightly with
the filter adapter. Then tighten with 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.
Figure 9 — Engine Oil Filter
TO LOOSEN
Recreational V e h i c l e G e n e r a t o r
13