13
Perform the following work at regular basis:
• Check all the clamps, such as screws, nuts etc. are
tightly fasten.
• Check for defects such as loose, worn, or damaged
parts. Replace them if necessary.
• Check that the covers and guards are not damaged or
deformed.
• If the machine starts vibrating abnormally during
operation, that may be caused by unbalanced or
deformed cutting tool due to the impacts by foreign
objects. Have the cutting tool repaired or replaced by
authorized service center if it happens.
• The cutting tool is worn out during the course of time.
Check the condition of the cutting tool and its stability on
regular basis. Replace it if it is worn or become blunt.
• Clean and lubricate all screw parts before storage.
TROUBLESHOOTING
WARNING: Before solving troubles, switch off the machine, pull out
the mains plug, and wait until the machine stops completely.
Trouble
Possible cause
Remedy
The machine does not start.
Power supply is not plugged in.
Connect the power supply.
Defect of power cord.
Unplug immediately. Ask your local Dolmar authorized
service center to repair it.
Defect of electrical circuit.
Ask your local Dolmar authorized service center to repair
it.
Lock-off button is not pressed.
Press the lock-off button and pull the start/stop lever.
There are cracking sounds
from the machine.
Foreign matter is entangled in the
cutting tool.
Switch off the motor, unplug, and wait until the cutter tool
stops. And then remove the foreign matter.
There are strange noise
from the machine.
Defect of drive belt
Ask your local Dolmar authorized service center to repair
it.
The machine does not reach
its maximum power.
Power source has low voltage than it
required.
Try another power source. Check whether appropriate
power source is deployed.
Air vents are clogged.
Clean the air vents.
Poor result.
Grass is too high.
Mow the grass before scarifying.
Cutting tool is worn out or damaged.
Replace it.
Scarified surface exceeds the machine
capacity.
Only scarify a surface which is in accordance with
machine capacity.
Scarified depth is not correct.
Adjust the depth of the cutting tool.
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