User Manual
14 ENGLISH
Changing the V-belt
1. Remove the battery cartridge and the wheel.
2. Loosen the hex socket bolts using the hex wrench
and then remove the cover .
► Fig.22: 1. Hex socket bolt 2. Cover
3. While strongly twisting the V-belt so that its inner
side faces up as shown in the gure, turn the bolt on the
pulley (large) clockwise using the box wrench.
The V-belt will deviate from the track and come o as
you turn the bolt.
► Fig.23: 1. V-belt 2. Pulley (large) 3. Box wrench
NOTICE: Never turn the box wrench counter-
clockwise. Doing so loosen the bolt on the pulley
(large) and result in poor performance.
4. Hook the new V-belt to the pulley (small). Put the
other end of the V-belt onto the pulley (large) so that
it is partially hooked on the forefront rail of the pulley.
(You don't have to hook the V-belt to all of the rails on
the pulley at this stage). After that, turn the bolt on the
pulley (large) clockwise using the box wrench.
The V-belt will get on the track as you turn the bolt.
► Fig.24:
1. Pulley (small) 2. Pulley (large) 3. Box wrench
Make sure that all the guides on the internal circle of the V-belt
t into the rails on the pulleys. All the rails on the pulley must
support the guides on the V-belt. If there is a rail which does
not support the guide, the V-belt is not properly installed.
► Fig.25: 1. Rail on the pulley 2. Guide on the V-belt
5. Place the cover onto the tool and tighten the hex
socket bolts using the hex wrench.
► Fig.26: 1. Tube 2. Cover 3. Hex socket bolt
NOTICE: Make sure that the tube for water feed
is in the positions as shown in the gure before
attaching the cover.
TROUBLESHOOTING
Before asking for repairs, conduct your own inspection rst. If you nd a problem that is not explained in the manual,
do not attempt to dismantle the tool. Instead, ask Makita Authorized Service Centers, always using Makita replace-
ment parts for repairs.
State of abnormality Probable cause (malfunction) Remedy
Motor does not run. Battery cartridges are not installed. Install two battery cartridges. This tool does not
work with one battery cartridge.
Battery problem (under voltage) Recharge the battery. If recharging is not eective,
replace the battery cartridge.
The drive system does not work
correctly.
Ask your local authorized service center for repair.
Motor stops running after a little use. Battery's charge level is low. Recharge the battery. If recharging is not eective,
replace the battery cartridge.
Overheating. Stop using of tool to allow it to cool down.
The wheel rotation does not acceler-
ate properly even after running the
tool without load for 20 seconds.
Battery is installed improperly. Install the battery cartridge as described in this
manual.
Battery power is dropping. Recharge the battery cartridge. If recharging is not
eective, replace the battery cartridge.
The V-belt is slipping. Replace the V-belt with new one.
The drive system does not work
correctly.
Ask your local authorized service center for repair.
Wheel does not rotate:
stop the machine immediately!
The V-belt is slipping. Replace the V-belt with new one.
Foreign object is jammed between the
guard and the wheel.
Uninstall the battery cartridge and then remove the
foreign object.
The drive system does not work
correctly.
Ask your local authorized service center for repair.
Abnormal vibration:
stop the machine immediately!
Improper attachment of the wheel. Install the wheel as instructed in this manual.
Tighten the bolt to secure the wheel rmly.
The drive system does not work
correctly.
Ask your local authorized service center for repair.
Cutting tool and motor cannot stop:
Remove the battery cartridge
immediately!
Electric or electronic malfunction. Remove the battery cartridge and ask your local
authorized service center for repair.
Poor cutting performance It is time to replace the wheel. Replace the wheel with new one.
Water leaks from the inlet. Water is leaking from the O-ring part. Ask your local authorized service center for repair.