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Engine starts, runs,
and accelerates but will
not idle.
Line will not advance.
Grass wraps round
shaft
h o u s i n g a n d b u m p
head.
Bump knob hard to turn.
Oil drips from silencer.
NOTE: If your unit exhibits specific performance problem(s) where the Troubleshooting section recommends a clockwise screw
adjustment on the carburetor and no adjustments have been made since original purchase, the unit should be taken to
an authorized service center for repair. In most cases, the needed adjustment is a simple task for the trained service
representative.
English(Original instructions)
Idle speed screw on
carburetor requires
adjustment
1. Line welded to itself.
2. Not enough line on spool.
3. Line worn too short.
4. Line tangled on spool.
5. Engine speed too slow.
1. Cutting tall grass at ground
level.
2. Operating trimmer at part
throttle.
S c r e w s t h r e a d s d i r t y o r
damaged.
1. Operating trimmer at part
throttle.
2. Check oil/fuel mixture.
3. Air filter dirty.
Turn idle speed screw clockwise to increase idle speed.
(Fig.14) Ensure that after adjustment the cutting head
does not rotate at idle. Contact servicing dealer if the
problem persists.
1. Lubricate with silicone spray.
2. Install more line. Refer to "Line Replacement" earlier
in this manual.
3. Pull lines while alternately pressing down on and
releasing bump head.
4. Remove line from spool and rewind. Refer to "Line
Replacement" earlier in this manual.
5. Advance line at full throttle.
1. Cut tall grass from the top down.
2. Operate trimmer at full throttle.
Clean threads and lubricate with grease - if no
improvement, replace bump knob.
1. Operate trimmer at full throttle.
2. Use fresh fuel and the correct synthetic 2-stroke oil
mix.
3. Clean per instruction in Maintenance Section.
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