15
General Maintenance
Spark Plug
Keep the spark plug and wire connections
tight and clean.
Daily Maintenance
10-Hour Maintenance
WARNING!
Before performing any maintenance,
repair or cleaning work on the unit,
make sure the engine and cutting
attachment are completely stopped.
Disconnect the spark plug wire before
performing service or maintenance
work.
WARNING!
Non-standard parts may not operate
properly with your unit and may cause
damage and lead to personal injury.
Prior to each work day, perform the
following:
n
Remove all dirt and debris from the
engine, check the cooling fins and
air cleaner for clogging, and clean as
necessary.
Keep cooling
fins clean
Keep air
passages
clean
n
Carefully remove any accumulations of
dirt or debris from the muffler and fuel
tank. Check cooling air intake area at
base of crankcase. Remove all debris.
Dirt build-up in these areas can lead to
engine overheating, fire, or premature
wear.
n
Clean any debris or dirt from the cutting
attachment.
n
Check for loose or missing screws or
components. Make sure the cutting at-
tachment is securely fastened.
n
Check the entire unit for leaking fuel or
grease.
n
Make sure nuts, bolts, and screws
(except carburetor idle speed adjusting
screws) are tight.
NOTE:
If the machine is used in dusty or dirty condi-
tions, perform the periodic maintenance more
frequently.
n
Remove the air cleaner filter. Clean or
replace as necessary. To clean filter
wash it thoroughly in soap and water.
Let it dry before reinstalling the filter.
CAUTION!
Do not operate the unit if the air cleaner
or filter is damaged, or if the filter is wet
or water soaked.
Remove and
clean or replace
the filter
Knob
Figure 37
Figure 36
