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Check for loose or missing screws or
components. Make sure the tool and cut-
ting attachment are securely fastened.
Check the entire unit for leaking fuel or
grease.
Daily Maintenance
Prior to each work day, perform the following:
Remove dirt or debris from the engine,
check the cooling fins and air cleaner for
clogging and clean them as necessary.
Carefully remove any accumulation of
dirt or debris from the muffler or the
fuel tank. Dirt build-up in these areas
could cause the engine overheating,
induce premature wear, or create a fire
hazard.
10-Hour Maintenance
Every 10 hours of operation (more
frequently in dusty or dirty conditions):
Remove the air cleaner element. See
Figure 23. Clean or replace as neces-
sary. To clean element: Wash it thor-
oughly in soap and water. Let it dry
before reinstalling the element.
Loosen Knob
Figure 23
CAUTION!
Do not operate the unit if the air
cleaner or element is damaged, or if
the element is wet.
Remove and clean
or replace
the element
10/15-Hour Maintenance
Every 10 to 15 hours of operation:
Remove and clean the spark plug. Adjust
the spark plug electrode gap to 0.024-
inch (0.6 mm). If the spark plug must be
replaced, use only a Champion CJ8 or
equivalent spark plug of the correct heat
range. See Figure 24.
CAUTION!
Before removing the spark plug, clean
the area around the plug to prevent
dirt and debris from falling into internal
engine parts.
Clean the spark plug
and check the gap at
the electrode.
23136
Figure 24
0.024 inch
(0.6 mm)