22
Maintenance
Checking the Fuel Cap
The fuel cap contains a non-serviceable filter and check
valve. A clogged fuel filter causes poor engine perfor-
mance. If performance improves when the fuel cap is
loosened, the check valve may be faulty or the filter may
be clogged. Replace the fuel cap if necessary.
Cleaning the Air Filter
See Figure 20 and Figure 22.
Clean the air filter as indicated by the maintenance
schedule.
Follow these steps to clean the air filter.
1.
Stop the trimmer.
2.
Remove the spark plug boot.
3.
Loosen the air filter cover by turning the knob coun-
terclockwise.
4.
Remove the air filter cover.
5.
Remove the air filter.
6.
Clean the air filter with warm soapy water.
7.
Rinse the air filter and let it dry completely.
8.
Work two drops of oil into the air filter.
9.
Replace the air filter (fits only one way).
10.
Replace the air filter cover.
11.
Tighten the air filter cover by turning the knob
clockwise.
12.
Replace the spark plug boot.
Note:
Replace the air filter (Part No. 88048) as indi-
cated by the maintenance schedule.
Figure 20
Cleaning the Spark Arrester
See Figure 21.
Follow these steps to clean the spark arrester.
1.
Locate the spark arrester through the hole on the
muffler-side engine cover.
2.
Remove the spark arrester by pulling it out with nee-
dle-nosed pliers.
3.
Clean the spark arrester with a small wire brush.
4.
Replace the spark arrester.
Figure 21
WARNING:
A leaking fuel cap is a fire hazard and must be
replaced immediately.
WARNING:
Make sure the trimmer head stops rotating when
you release the trigger. Contact with a rotating
trimmer head could cause personal injury.
Air
Filter
Air
Filter
Cover
Knob
Spark
Arrester
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