Maintenance
28
Air
Cleaner
Service Interval/Specification
Foam Element: Clean and re-oil after every 25
operating hours, or yearly, whichever occurs
first.Paper Element: Replace after every 100
operating hours or yearly, whichever occurs
first.Service the air cleaner more frequently (every
few hours) if operating conditions are extremely
dusty or sandy.
1. Remove the wire from the spark plug (Fig. 9).
2. Remove the knob and air cleaner cover (Fig. 6).
3. Every 25 hours the foam pre–cleaner should be
cleaned (Fig. 6). Remove foam pre–cleaner by
sliding it off the paper cartridge (Fig. 6).
A. Wash the foam pre–cleaner in liquid soap
and warm water. Rinse thoroughly in clear
water.
B. Wrap the foam pre–cleaner in cloth and
squeeze it dry
C. .Saturate the foam in engine oil. Squeeze it
to remove excess oil.
4. The paper air cleaner cartridge should be
replaced every 100 hours. Remove the nut from
the top of the paper cartridge (Fig. 6).
Figure 6
1. Knob
2. Air
cleaner cover
3.
Foam pre–cleaner
4.
Paper cartridge
5. Nut
5. Clean the air cleaner body carefully to prevent
dirt from entering carburetor. Remove and
discard the paper cartridge.
6. Insert a new paper cartridge into the air cleaner
body. Reassemble the air cleaner.
IMPORTANT: Petroleum solvents, such as
kerosene, are not to be used to clean the paper
cartridge. They may cause deterioration of
the cartridge. DO NOT OIL THE
CARTRIDGE. DO NOT USE
PRESSURIZED AIR T
O CLEAN THE
CARTRIDGE.
IMPORTANT: Always operate the engine
with the air cleaner element in place or engine
damage will result.
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