Maintenance; Troubleshooting - Makita DUN461W Instruction Manual

MAINTENANCE

Always be sure that the tool is
CAUTION:
switched off and the battery cartridge is removed
before attempting to perform inspection or
maintenance.
When inspecting or maintaining
CAUTION:
the tool, always put the tool down. Assembling or
adjusting the tool in an upright position may result in
serious injury.
To maintain product SAFETY and RELIABILITY,
repairs, any other maintenance or adjustment should
be performed by Makita Authorized or Factory Service
Centers, always using Makita replacement parts.
Cleaning the tool
Clean the tool by wiping off dust with a dry cloth or one
dipped in soapy water and wrung out.
Never use gasoline, benzine, thinner,
NOTICE:
alcohol or the like. Discoloration, deformation or
cracks may result.

TROUBLESHOOTING

Before asking for repairs, conduct your own inspection first. If you find 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
Motor does not run.
Motor stops running after a little use.
Tool does not reach maximum RPM.
Shear blades do not move:
stop the machine immediately!
Abnormal vibration:
stop the machine immediately!
Shear blades and motor cannot stop:
Remove the battery immediately!
Probable cause (malfunction)
Battery cartridge is not installed.
Battery problem (under voltage)
The drive system does not work
correctly.
Battery's charge level is low.
Overheating.
Battery is installed improperly.
Battery power is dropping.
The drive system does not work
correctly.
Inappropriate angle of shear blades.
Foreign objects are caught between the
shear blades.
The drive system does not work
correctly.
Shear blades are broken, bent or worn.
The drive system does not work
correctly.
Electric malfunction.
14 ENGLISH
Shear blade maintenance
Before the operation or once per hour during operation,
apply low-viscosity oil (machine oil, or spray-type lubri-
cating oil) to the shear blades.
► Fig.27
After operation, remove dust from both sides of the
shear blades with a wired brush, wipe it off with a cloth
and then apply low-viscosity oil (machine oil, or spray-
type lubricating oil) to the shear blades.
► Fig.28
Do not wash the shear blades in water.
NOTICE:
Doing so may cause rust or damage to the tool.
Dirt and corrosion cause excessive
NOTICE:
blade friction and shorten the operating time per
battery charge.
Storage
Attach the blade cover to the shear blades so that the
blades are not exposed. Store the tool out of the reach
of children. Store the tool in a place not exposed to
moisture or rain.
Remedy
Install the battery cartridge.
Recharge the battery. If recharging is not effective,
replace battery.
Ask your local authorized service center for repair.
Recharge the battery. If recharging is not effective,
replace battery.
Stop using of tool to allow it to cool down.
Install the battery cartridge as described in this
manual.
Recharge the battery. If recharging is not effective,
replace battery.
Ask your local authorized service center for repair.
Make sure that the head is properly fixed in the
operational angle.
Switch off the tool and remove the battery cartridge,
and then remove the foreign objects using tools
such as pliers.
Ask your local authorized service center for repair.
Replace the shear blades.
Ask your local authorized service center for repair.
Remove the battery and ask your local authorized
service center for repair.