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15
Service Air Cleaner
Your engine will not run properly and may be damaged if
you run it with a dirty air cleaner.
Replace the air cleaner every 25 hours of operation or
once each year, whichever comes first. Replace more often
if operating under dirty or dusty conditions.
To service the air cleaner, follow these steps:
1. Loosen screws (A) and remove air cleaner cover (B)
(Figure 12).
2. Carefully remove cartridge (C) from base (D).
3. Install clean (or new) air cleaner assembly inside
cover. Dispose of old filter properly.
4. Assemble air cleaner cover onto base and tighten
screws.
Service Spark Plug
Change the spark plug every 100 hours of operation or
once each year, whichever comes first. This will help your
engine to start easier and run better.
1. Clean area around spark plug.
2. Remove and inspect spark plug.
3. Check electrode gap with wire feeler gauge and reset
spark plug gap to recommended gap if necessary (see
Figure 13 and Specifications).
4. Replace spark plug if electrodes are pitted, burned or
porcelain is cracked. Use the recommended
replacement spark plug. See Specifications.
5. Install spark plug and tighten firmly.
Clean Spark Arrester Screen
The engine exhaust muffler has a spark arrester screen.
Inspect and clean the screen every 100 hours of operation
or once each year, whichever comes first.
If you use your generator on any forest-covered, brush-
covered, or grass-covered unimproved land, it must have a
spark arrester. The spark arrester must be maintained in
good condition by the owner/operator.
Figure 13 — Service Spark Plug
Figure 12 — Service Air Cleaner
A - Screws
B - Air Cleaner Cover
C - Cartridge
D - Base
D
C
B
A