Generac Power Systems 00916-1 - Manual (Page 15)

Generac NP-50G Recreational Vehicle Generator
ENGINE AIR CLEANER
Clean and re-oil the foam pre-cleaner every three months or
every 25 operating hours, whichever comes first. Service more
frequently if operating under extremely dusty or dirty condi­
tions (Figure 11):
• Remove both screws.
• Remove the COVER, FOAM PRE-CLEANER and PAPER
FILTER.
• Remove foam pre-cleaner from cover.
• Wash foam pre-cleaner in liquid detergent and water.
• Wrap foam pre-cleaner in a cloth and squeeze dry.
• Saturate foam pre-cleaner in engine oil. Squeeze to remove
excess oil (Do not twist foam pre-cleaner).
• Install foam pre-cleaner into cover, followed by paper filter.
• Install cover, foam pre-cleaner and paper filter.
• Tighten both saews.
Once each year or every 100 hours of operation (whichever
comes first), replace the paper filter. The new replacement
filter must be a flame retardant type.
Figure 11 — Engine Air Cleaner
Paper
Filter
Foam
Pre-Filter
I
CLEAN OR REPLACE PAPER
AIR FILTER__________________________________
Remove air cleaner cover; then remove foam pre-cleaner
(service if necessary) and remove paper filter.
Clean air filter by tapping it gently on a solid surface. If the
filter is too dirty, replace it with a new one. Dis^xtse of the
old filter properly.
Clean air cleaner cover then insert pre-cleaner into cover.
Next insert new paper filter into cover to hold pre-cleaner
in place and assemble all of them to the base of the air
cleaner.
CLEAN AIR INTAKE SCREEN
Clean all foreign material from air intake screen (Figure 12)
at least once every 100 hours of operation. Clean more often
if necessary.
Inspect the area around the generator exhaust muffler peri­
odically and remove all grass leaves, dirt, etc.from this area.
Figure 12 — Cleaning Air Intake Screen
ENGINE SPARK PLUG
Clean engine spark plug and set gap to 0.030 inch (0.76mm)
every 100 hours of operation (Rgure 13). Clean by scraping
or wire brushing and washing with commercial solvent. DO
NOT BLAST CLEAN SPARK PLUG.
CAUTION; Sparking can occur If wire terminal
does not fit firmly on spark plug terminal end. if
necessary, reform wire terminal to obtain a tight fit.
Figure 13 — Setting Spark Plug Gap
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