Maintenance Schedule; Troubleshooting; Technical Data - Makita EY401MP Instruction Manual

Maintenance schedule

Operating hour
Whole unit Visually inspect for
damaged parts
All fixing screws and nuts Tighten
Chain oil feed port Clean
Guide bar Clean the groove and the
chain oil feed port
Visually inspect
Supply grease to the nose
Gear case Supply grease
Drive axle Supply grease
Sprocket Visually inspect
Saw chain Replace or ask for
sharpening
Power unit Refer to the instruction manual of the power unit

Troubleshooting

Problem
The motor does not start.
The motor stops soon after its start.
The maximum speed is limited.
The saw chain does not move.
Stop the motor immediately!
The unit vibrates abnormally.
Stop the motor immediately!
The saw chain does not stop.
Stop the motor immediately!
Chain oil is not supplied.

Technical data

Model
Dimensions (L x W x H)
Mass
Guide bar length
Saw chain
Chain gauge
Number of sprocket teeth
Chain oil
Chain oil pump
Chain oil tank capacity
Gear ratio (speed increasing)
Before Daily
Operation (10 h)
Probable cause
Refer to the instruction manual of the power unit.
The guide bar is bent or damaged.
A twig is caught by the saw chain.
The drive system does not work properly.
The drive system does not work properly.
The power unit does not work properly.
The oil tank is empty.
The chain-oil feed port is dirty.
The adjusting screw of the chain-oil feed rate
is improperly set.
9
If
25 h 50 h
required
Solution
Replace the guide bar.
Remove the foreign matter.
Ask Makita authorized service center to
inspect and repair it.
Ask Makita authorized service center to
inspect and repair it.
Refer to the instruction manual of the power
unit.
Fill the oil tank with chain oil.
Clean the chain-oil feed port on the unit and
guide bar.
Set the adjusting screw properly.
mm 1,166 x 74 x 105
kg
mm
inch
Makita genuine chain oil
(Self lubricating type)
ml
Corresponding page
8
8
8
8
8
8
8
8
8
8
EY401MP
1.0
255 (10")
91VXL-39E
0.050"
7
Plunger pump
120
0.94