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3.5
ENGINE AIR CLEANER
Paper Filter: Once every 25 operating hours or once
each year (whichever comes first), clean or replace
the paper filter (Figure 3.3). Follow the steps on page
12.
Figure 3.3 — Engine Air Cleaner Assembly
• Remove air cleaner cover, then remove paper filter.
• Clean air filter by gently tapping it on a solid sur-
face. If the filter is too dirty, replace it with a new
one. Dispose of the old filter properly.
• Clean air cleaner cover then insert new paper filter
into cover and assemble to the base of the air
cleaner.
3.6
CLEAN AIR INTAKE SCREEN
Clean all foreign material from the air intake screen
(Figure 3.4) at lease once every 100 hours of opera-
tion. Clean more often if necessary.
Inspect the area around the generator exhaust muf-
fler periodically and remove all grass, leaves, dirt,
etc. from this area.
Figure 3.4 — Clean Air Intake Screen
Air Intake Screen
Section 3 – Maintenance
IMPACT-36 plus II Recreational Vehicle Generator
3.7
ENGINE SPARK PLUG
Clean engine spark plug and set gap to 0.030 inch
(0.76mm) every 100 hours of operation (Figure 3.5).
Clean by scraping or wire brushing and washing with
commercial solvent. DO NOT BLAST CLEAN SPARK
PLUG.
Figure 3.5 — Setting Gap on Spark Plug
Sparking can occur if wire terminal does not
!
fit firmly over spark plug terminal end. If nec-
essary, reform wire terminal to obtain a tight
fit.
3.8
INVERTER
All repairs of the inverter must be handled by an
authorized service dealer (see Figure 3.7).
Figure 3.7 — Inverter Warning Label
3.9
CLEANING THE GENERATOR
Keep the generator set as clean and dry as possible.
Dirt and moisture that are permitted to accumulate
on electrical windings have an adverse affect on the
insulation resistance of those windings.
Moisture that is allowed to remain in contact with
windings will be retained in voids and cracks of the
windings. Dirt makes the problem worse, since it
tends to hold the moisture into contact with the
windings. Salt, as from sea air, worsens the problem
since it tends to absorb moisture from the air. The
combination of salt and moisture makes a good elec-
trical conductor.
Generac
®
Power Systems, Inc. 11
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