String Trimmer Operator's Manual
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










