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Page 18
TROUBLESHOOTING
ST
O
P
A
B
C
Fig. 22
1. Lubricate with silicone spray.
2. Install more string. Refer to “String Replace-
ment” earlier in this manual.
3. Pull strings while alternately pressing down on
and releasing spool retainer.
4. Remove string from spool and rewind. Refer to
“String Replacement” earlier in this manual.
5. Advance string at full throttle.
Clean threads and lubricate with grease - if no
improvement, replace the spool retainer.
1. Cut tall grass from the top down to prevent
wrapping.
2. Operate trimmer at full throttle.
1. Operate trimmer at full throttle.
2. Use fresh fuel and the correct 2-cycle oil mix.
3. Clean per instruction in Maintenance Section.
1. String is welded to itself.
2. Not enough string on spool.
3. String is worn too short.
4. String is tangled on spool.
5. Engine speed is too slow.
Screw threads are dirty or damaged.
1. Cutting tall grass at ground level.
2. Operating trimmer at part throttle.
1. Operating trimmer at part throttle.
2. Check oil/fuel mixture.
3. Air filter dirty.
String will not advance when
using the EZ Line™ tap
advance system
Spool retainer hard to turn
when using EZ Line™ tap
advance system
Grass wraps around drive-
shaft housing and string
head
Oil drips from muffler
PROBLEM POSSIBLE CAUSE SOLUTION
IDLE SPEED
SCREW