TROUBLESHOOTING
Problem | Possible Cause | Solution |
String will not advance. | String is welded to itself. | Lubricate with silicone spray. |
| Not enough string on spool. | Install more string. Refer to String |
|
| Replacement earlier in this manual. |
| String is worn too short. | Pull strings while alternately pressing |
|
| down on and releasing spool retainer. |
| String is tangled on spool. | Remove string from spool and rewind. |
|
| Refer to String Replacement earlier in |
|
| this manual. |
| Engine speed is too slow. | Advance string at full throttle. |
Spool retainer hard to turn. | Screw threads are dirty or damaged. | Clean threads and lubricate with |
|
| grease – if no improvement, replace |
|
| the spool retainer. |
Grass wraps around driveshaft housing | Cutting tall grass at ground level. | Cut tall grass from the top down to |
and string head. |
| prevent wrapping. |
| Operating trimmer at part throttle. | Operate trimmer at full throttle. |
Lubricant drips from muffler. | Operating trimmer at part throttle. | Operate trimmer at full throttle. |
| Check lubricant/fuel mixture. | Use fresh fuel and the correct |
|
| lubricant mix. |
| Air filter dirty. | Clean air filter. Refer to Cleaning |
|
| the Air Filter Screen earlier in this |
|
| manual. |
|
| slow |
fast
idle speed
screw
Fig. 19
Page 17
