The air cleaner prevents
dirt, dust, etc.,
from entering the carburetor and being forced into the
and is important
life _ nd per-
Never run your engine without
air cleaner com-
To Service Air Cleaner:
Service pre-cleaner after every 25 hours of use, or at
least once a season. Service cartridge every 130 hours
of use, or at least once a season. Service pn;-cleaner
and cartridge more often under dusty conditions.
• Loosen air cleaner cover screws. Remo-e
and air cleaner assembly from base. See fi jure 15.
from inside cover
• To service foam pre-cleaner: Remove pre.cleaner.
Wash in liquid detergent and water. Squee_,e dry in
a clean cloth. Saturate in engine oil. Squeeze in a
clean, absorbent cloth to remove all excess oil. If
pre-cleaner is very dirty, replace it.
• To service cartridge: Clean by tapping gently on a
flat surface. If very dirty, replace. Do not oil cartridge.
NOTE: Do not use petroleum solvents (e.g. k_;rosene)
air to clean cartridge. They wll cause
cartridge to deteriorate.
retainer on pre-cleaner
side of pre-cleaner
pleats). Place assembly into cover.
• Insert tabs on cover into slots in base and tighten
cover screws securely.
Clean engine periodically.
Remove dirt and debris
with a cloth or brush. Cleaning with a forceful spray of
water is not recommended
as water could contami-
nate the fuel system.
or every 25 hours,
shown in figure 17 to avoid overspeeding,
and engine damage. Clean more often if necessary.
FLER AREA TO REMOVE
DIRT AND COMBUSTIBLE
The spark plug should be cleaned and the gap reset
to .030" at least once a season or every 50 hours of
See figure 18. Spark plug replacement
at the start of each season. Refer to
engine parts list for correct spark plug type.
Do not sandblast
should be cleaned by scraping or wire brushing and
washing with a commercial solvent.
.030" Feeler Gauge
Your engine is equipped with a replaceable in, line fuel
filter. Replace the fuel filter every season. See figure
16. Refer to engine parts list for correct repl_Lcement
Do not operate the chipper-shredder
without a muffler
or tamper with the exhaust system. Damaged mufflers
or spark arresters could create a fire hazard. Inspect
and replace if necessary.
If your engine
is equipped with a spark arrester screen assembly,
remove every 50 hours for cleaning
Replace if damaged.