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21
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TROUBLE SHOOTING
Fault/malfunction
Cause
Remedy
Engine does not start
Engine on/off control bar pressed.
Spark plug is defective.
Cutting blade is worn or damaged.
Fuel tank is empty.
Engine may be flooded.
Press engine on/off control bar.
Replace spark plug.
Replace it through the customer
service centre.
Refill with fuel.
Remove plug and dry.
Engine runs unsteadily.
Air filter is soiled.
Spark plug is soiled.
Clean the air filter.
Clean the spark plug.
Trimmer vibrates
Set screws for trimmer head is
loose
Trimmer line lengths are
substantially different
Loose nuts or bolts
Broken trimmer head
Tighten set screw with T-handle
wrench.
Adjust trimmer line to
approximately equal lengths.
Check all bolts and nuts, including
engine bolts.
Replace broken part.
Trimmer head does not retain line
Trimmer line not properly attached
Broken line retainer
Trimmer line not correct size
Follow instructions on decal or in
the Service section of the owner’s
manual.
Replace the trimmer head
assembly.
Use a 0.155 in. (4 mm) trimmer line.