8
Maintenance schedule
Operating hour
Before Operation
25 h
Corresponding page
Whole unit
Visually inspect for damaged parts
7
All fixing screws and nuts
Tighten
7
Drive axle
Supply grease
7
Power unit
Refer to the instruction manual of the power unit
Troubleshooting
Problem
Probable cause
Solution
The engine does not start.
Refer to the instruction manual of the power unit.
The engine stops soon after its start.
The maximum speed is limited.
The cutting attachment does not rotate.
Stop the engine immediately!
The cutting attachment is not tightened
securely.
Tighten the cutting attachment securely.
A twig is caught between the cutting
attachment and the protector.
Remove the foreign matter.
The drive system does not work properly.
Ask Makita authorized service center to
inspect and repair it.
The unit vibrates abnormally.
Stop the engine immediately!
The cutting attachment is broken.
Replace the cutting attachment with new one.
The cutting attachment is not tightened
securely.
Tighten the cutting attachment securely.
One end of nylon cutting cord has been
broken and the nylon cutting head got
unbalanced.
Feed the nylon cutting cord with tapping the
nylon cutting head on the ground.
The drive system does not work properly.
Ask Makita authorized service center to
inspect and repair it.
The cutting attachment does not stop.
Stop the engine immediately!
The power unit does not work properly.
Refer to the instruction manual of the power
unit.
The nylon cutting cord does not feed.
The cord is used up or tangled in the spool.
Rewind the cord.
The nylon cutting cord is not cut off at the
correct length.
The cord cutter on the protector is damaged
or missing.
Ask Makita authorized service center to
replace the cord cutter.
The cord extends past the protector.
Rewind the cord.
Technical data
Model
ER400MP
Dimensions (L x W x H)
mm
703 x 270 x 402
Mass
kg
0.5
Cutting diameter
mm
410
