Operation; Maintenance; Replacing Carbon Brushes - Makita HM0810B Instruction Manual

Installing or removing the bit
Clean the bit shank before installing the bit.
Press in the tool retainer and turn it until the red dots on
the tool retainer and the tool holder are aligned. Release
the tool retainer.
002914
Insert the bit into the tool holder as far as it will go. Press
in the tool retainer and turn it a full 180 degrees. Then
release it to secure the bit.
002915
To remove the bit, follow the installation procedure in
reverse.

OPERATION

007446
Chipping/Scaling/Demolition
Hold the tool firmly with both hands. Turn the tool on and
apply slight pressure on the tool so that the tool will not
bounce around, uncontrolled. Pressing very hard on the
tool will not increase the efficiency.

MAINTENANCE

CAUTION:
Always be sure that the tool is switched off and
•
unplugged before attempting to perform inspection
or maintenance.
1. Red dot (Tool
holder)
1
2. Red dot (Tool
retainer)
2
1. Tool retainer
1
Never use gasoline, benzine, thinner, alcohol or the
•
like. Discoloration, deformation or cracks may
result.

Replacing carbon brushes

1
001146
When the resin insulating tip inside the carbon brush is
exposed to contact the commutator, it will automatically
shut off the motor. When this occurs, both carbon
brushes should be replaced. Keep the carbon brushes
clean and free to slip in the holders. Both carbon brushes
should be replaced at the same time. Use only identical
carbon brushes.
Use a hex wrench to remove the rear cover.
002949
Use a screwdriver to remove the brush holder caps. Take
out the worn carbon brushes, insert the new ones and
secure the brush holder caps.
002950
Lubrication
This tool requires no hourly or daily lubrication because it
has a grease-packed lubrication system. It should be
relubricated after every 6 months of operation. Send the
complete tool to Makita Authorized or Factory Service
Center for this
circumstances require that you should lubricate it by
yourself, proceed as follows.
5
1. Commutator
2. Insulating tip
2
3. Carbon brush
3
1. Hex wrench
2. Rear cover
1
2
1. Screwdriver
2. Brush holder cap
1
2
lubrication service. However, if