Maintenance - Makita HM0860C Instruction Manual

MAINTENANCE

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1. Commutator
2. Insulating tip
3. Carbon brush
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1. Screwdriver
2. Brush holder cover
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1. Screwdriver
2. Brush holder cap
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1. Screw
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CAUTION:
• Always be sure that the tool is switched off and unplugged before
attempting to perform inspection or maintenance.
Replacing carbon brushes
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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 car-
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bon 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.
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Use a screwdriver to remove the brush holder covers.
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Use a screwdriver to remove the brush holder caps. Take out the worn carbon
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brushes, insert the new ones and secure the brush holder caps.
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Reinstall the brush holder covers firmly.
Lubrication
This tool requires no hourly or daily lubrication because it has a grease-
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packed lubrication system. It should be relubricated after every 6 months of
operation. Send the complete tool to Makita Authorized Service Center for this
lubrication service. However, if circumstances require that you should lubricate
it by yourself, proceed as follows.
Run the tool for several minutes to warm it up. Switch off and unplug the tool.
Loosen the four screws (two short screws on the upper side and two long
screws on the lower side. ) and remove the handle.