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