Maintenance schedule
Operating hour
Whole unit
All fixing screws and nuts
Drive axle
Power unit
Troubleshooting
Problem
The engine does not start.
The engine stops soon after its start.
The maximum speed is limited.
The cutting attachment does not rotate.
Stop the engine immediately!
The unit vibrates abnormally.
Stop the engine immediately!
The cutting attachment does not stop.
Stop the engine immediately!
The nylon cutting cord does not feed.
The nylon cutting cord is not cut off at the
correct length.
Technical data
Model
Dimensions (L x W x H)
Mass
Cutting diameter
Visually inspect for damaged parts
Tighten
Supply grease
Refer to the instruction manual of the power unit
Probable cause
Refer to the instruction manual of the power unit.
The cutting attachment is not tightened
securely.
A twig is caught between the cutting
attachment and the protector.
The drive system does not work properly.
The cutting attachment is broken.
The cutting attachment is not tightened
securely.
One end of nylon cutting cord has been
broken and the nylon cutting head got
unbalanced.
The drive system does not work properly.
The power unit does not work properly.
The cord is used up or tangled in the spool.
The cord cutter on the protector is damaged
or missing.
The cord extends past the protector.
Before Operation
Tighten the cutting attachment securely.
Remove the foreign matter.
Ask Makita authorized service center to
inspect and repair it.
Replace the cutting attachment with new one.
Tighten the cutting attachment securely.
Feed the nylon cutting cord with tapping the
nylon cutting head on the ground.
Ask Makita authorized service center to
inspect and repair it.
Refer to the instruction manual of the power
unit.
Rewind the cord.
Ask Makita authorized service center to
replace the cord cutter.
Rewind the cord.
inch (mm)
27-3/4" x 10-5/8" x 15-3/4" (703 x 270 x 402)
lbs (kg)
inch (mm)
7
25 h
Corresponding page
6
6
6
Solution
ER400MP
1.2 (0.5)
16-1/8" (410)