MAINTENANCE INTERVAL
Parts:
Power cord
Auxiliary handle screw
Cutting tool guard
(protector)
Cutter blade
Nylon cutting head
Gear shaft
TROUBLESHOOTING
Before asking for repairs, conduct your own inspection first. If you find a problem that is not explained in the manual, do
not attempt to dismantle the tool. Instead, ask Dolmar Authorized Service Centers, always using Dolmar replacement
parts for repairs.
Malfunction status
Motor does not run.
Motor stops running after a little use.
It does not reach maximum RPM.
Cutting tool does not rotate:
stop the machine immediately!
Abnormal vibration:
stop the machine immediately!
Cutting tool and motor cannot stop:
Disconnect
the
immediately!
14
Interval:
Every time before using
Every time before using
Every time before using
Every 10 h
Every 10 h
Every 10 h
Power mains is not plugged in.
Power cable broken.
The drive system does not work
correctly.
Overheating.
The drive system does not work
correctly.
Foreign object such as a branch is
jammed between the guard and the
cutting tool.
Cutter blade fastening nut is loose.
The cutter blade is bended.
The drive system does not work
correctly.
One end of the nylon cord has been
broken.
The cutter blade is bended, cracked
or worn.
Cutter blade fastening nut is loose.
Cutter blade is fastened improperly.
The drive system does not work
correctly.
mains
plug
Electric or electronic malfunction.
Visually inspect whether it is not badly worn or
damaged. If it is damaged, ask your local service center
for repair.
Check whether screw is not loose. Tighten the screw if
it is loose. Replace the screw if it is damaged.
Check whether screw is not loose, whether protector is
not damaged. Tighten the screw if it is loose. Replace
the protector if it is damaged.
Lubricate with anticorrosive oil after each use. Check
whether it is not damaged. Replace it if it is damaged.
Visually inspect whether it is not badly worn or
damaged. Replace it if it is damaged.
Lubricate with anticorrosive oil.
Cause
How to:
Action
Plug in the mains.
Ask your local authorized service
center for repair.
Stop using of tool to allow it to cool
down.
Ask your local authorized service
center for repair.
Remove the foreign object.
Tighten the nut properly as described
in this manual.
Replace the cutter blade.
Ask your local authorized service
center for repair.
Bump the nylon cutting head against
the ground while it is rotating to
cause the cord to feed.
Replace the cutter blade.
Tighten the nut properly as described
in this manual.
Ask your local authorized service
center for repair.
Disconnect the mains plug and ask
your local authorized service center
for repair.