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STO
P
O
P
1
2
3
PROBLEMPROBLEM
PROBLEMPROBLEM
PROBLEM
POSPOS
POSPOS
POS
SIBLE CASIBLE CA
SIBLE CASIBLE CA
SIBLE CA
USEUSE
USEUSE
USE
SOLUTIONSOLUTION
SOLUTIONSOLUTION
SOLUTION
Fig. 22
1. Cut tall grass from the top down.
2. Operate trimmer at full throttle.
Clean threads and lubricate with grease - if no improve-
ment, replace spool retainer.
1. Operate trimmer at full throttle.
2. Use fresh fuel and the correct 2-cycle oil mix.
3. Clean air filter. Refer to “Replacing and Cleaning Air
Filter” earlier in this manual.
4. Turn mixture needle clockwise 1/16 turn. See Figure
22.
1. Cutting tall grass at ground
level.
2. Operating trimmer at part
throttle.
Screw threads dirty or damaged.
1. Operating trimmer at part
throttle
2. Check oil/fuel mixture.
3. Air filter dirty.
4. Carburetor requires adjust-
ment.
Grass wraps around
shaft housing and
stringhead:
Spool retainer hard to
turn:
Oil drips from muffler:
TROUBLESHOOTING
MIXTURE
NEEDLE
IDLE SPEED
SCREW
NOTE: This engine complies with EPA (Environmental Protec-
tion Agency) regulations which require exhaust emission con-
trol. As a result, the carburetor adjustment needle(s) are
equipped with plastic cap(s) that limit the rotation from the
original factory adjustment. If your unit exhibits specific perfor-
mance problem(s) where the Trouble Shooting Section recom-
mends a needle adjustment and you are at the limit of adjust-
ment, the unit should be taken to a factory authorized service
dealer for repair.