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16
Bump Knob
MAINTENANCE AND REPAIR INSTRUCTIONS (Continued)
LINE INSTALLATION
The trimming line may be replaced by two different meth-
ods - rewinding the existing reel or installing a prewound
reel.
REWINDING THE EXISTING REEL
To rewind the existing reel you must:
1. Check for the correct line size.
2. Remove the existing reel and spring.
3. Wind the existing reel with the new line.
4. Reinstall the existing reel and spring.
The Correct Line to Use
WARNING
Always use genuine Monoflail
®
replacement line.
Do not use metal-reinforced line.
It is very important to use the correct size line. A line with
a diameter of 2.41 mm (.095 in) must be used. The
engine may overheat and fail if you use a larger line.
Removing the Existing Reel
1. Hold the outer spool with one hand and unscrew the
Bump Knob clockwise (Fig. 26). Inspect the captured
bolt inside the Bump Knob to make sure it moves
freely. Replace the Bump Knob if it is damaged.
2. Remove the inner reel (Fig. 27).
3. Use a clean cloth to clean the inner surface of the
outer spool (Fig. 28).
NOTE: Always clean the inner reel, outer spool,
and shaft before reassembling the
bump head.
Fig. 27
Fig. 28
Fig. 26
4. Check the indexing teeth on the inner reel and outer
spool for wear (Fig. 29). If necessary, deburr or replace
the reel and spool.
Fig. 29
Inner Reel