Engine AIR Cleaner, Clean or Replace AIR Filter

® GENERACCORPORATION

Generac NP-50LPG 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 con- ditions (Figure 10):

•Remove both screws to loosen cover.

•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 screws to retain.

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 10 — Engine Air Cleaner

CLEAN OR REPLACE 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. Dispose 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 11) 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 11 — Cleaning Air Intake Screen

CLEAN AREAS

ENGINE SPARK PLUG

Clean engine spark plug and set gap to 0.030 inch (0.76mm) every 100 hours of operation (Figure 12). 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 12 — Setting Spark Plug Gap

R e c r e a t i o n a l V e h i c l e G e n e r a t o r