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TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.
1. Cut tall grass from the top down.
2. Operate trimmer at full throttle.
Clean threads and lubricate with grease - if no
improvement, 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 the Air Filter” earlier in this manual.
4. Turn “H” needle clockwise 1/16 - 1/8 turn.
See
Figure 20.
Grass wraps around
driveshaft housing and
stringhead:
Spool retainer hard to turn:
Oil drips from muffler:
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 adjustment.
Fig. 20
NOTE: The carburetor adjustment needle(s) are equipped with plastic
cap(s) that prevents counterclockwise rotation from the original
factory adjustment. If your unit exhibits specific performance
problem(s) where the Trouble Shooting Section recommends a
counterclockwise needle adjustment and no adjustments have been
made since original purchase, the unit should be taken to a factory
authorized service dealer for repair. In most cases, the needed
adjustment is a simple task for the factory trained service representa-
tive.
“L” LO
NEEDLE
“H” HIGH
NEEDLE
IDLE SPEED
SCREW
SOUND POWER/PRESSURE & HANDLE VIBRATION CHART FOR STRING TRIMMERS /
BRUSHCUTTERS
Information on Noise Emission per European Machine Safety Directive 98/37/EC.
The individual equipment listed was operated in a manner consistent with normal working conditions.
The A-weighted sound pressure level (LpA) at the operator’s ear and the A-weighted sound power level (LWA) were both
measured in accordance with Directive 79/113/EEC. Hearing protection is recommended where levels exceed 85 dBA.
Handle vibration was measured in accordance to ISO 7916. Read the safety precautions section of the manual.
SOUND PRESSURE SOUND POWER VIBRATION
MODEL LpA (dBA) LwA (dBpA) m/s
2
PLT3043S 101 108 11.0
SAFETY DIRECTIVE