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WARNING:
To prevent serious injury, never perform
maintenance or repairs while the unit is running. Always
allow the unit to cool before servicing or repairing the unit.
Disconnect the spark plug wire to prevent the unit from
starting accidentally.
MAINTENANCE SCHEDULE
Perform these required maintenance procedures at the frequency
stated in the table. These procedures should also be a part of any
seasonal tune-up.
NOTE: Some maintenance procedures may require special tools or
skills. If unsure about these procedures, take the unit to a Sears
or other qualified service dealer. Call 1-800-4-MY-HOME for
more information.
NOTE: Maintenance, replacement, or repair of the emission control
devices and system may be performed by a Sears or other qualified
service dealer. Call 1-800-4-MY-HOME for more information.
NOTE: Please read the California/EPA statement that came with the
unit for a complete listing of terms and coverage for the
emissions control devices, such as the spark arrestor, muffler,
carburetor, etc.
FREQUENCY
MAINTENANCE REQUIRED
Every 10 hours
Clean and re-oil the air filter. Refer to
Maintaining the Air Filter.
Every 25 hours
Check the spark plug condition and gap. Refer
to Maintaining the Spark Plug.
REPLACING THE TRIMMING LINE
Only use the trimming line described in the Specifications section.
Other types of trimming line may cause the engine to overheat or fail.
WARNING:
Never use metal-reinforced line, wire, chain or
rope. These can break off and become dangerous projectiles.
NOTE: Always use the correct line length when installing trimming
line. The line may not release properly if the line is too long.
Part 1 - Removing the Inner Reel
1. Hold the outer spool with one hand and unscrew the bump knob
counterclockwise (Fig. 9).
NOTE: The outer spool will remain attached to the unit.
2. Inspect the bolt inside the bump knob to make sure it moves freely.
Replace the bump knob if it is damaged.
3. Remove the inner reel from the outer spool (Fig. 10).
4. Remove the spring from the inner reel (Fig. 10).
5. Use a clean cloth to clean the inner reel, spring, shaft and inner
surface of the outer spool.
6. Check the indexing teeth and holding slots for wear (Fig. 11). If
necessary, remove burrs or replace the inner reel and outer spool.
Proceed to Part 2 - Winding New Trimming Line onto the Inner Reel.
MAINTENANCE
Outer Spool
Outer Spool
Shaft
11
Bolt
Bump Knob
Fig. 9
Spring
Fig. 10
Indexing Teeth
Holding Slots
Fig. 11
Inner Reel
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