Maintenance; Replacing Carbon Brushes; Sanding Operation - Makita 9403 Instruction Manual

Carbon plate (optional accessory)
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► 1. Steel plate 2. Carbon plate 3. Strap washer
For greater sanding efficiency and to help the belt run
cooler, install an optional carbon plate on the steel plate
when sanding hardwood or steel.
OPERATION

Sanding operation

CAUTION:
• The tool should not be in contact with the work-
piece surface when you turn the tool on or off.
Otherwise a poor sanding finish or damage of
the belt may result.
Hold the tool firmly with both hands. Turn the tool on
and wait until it attains full speed. Then gently place the
tool on the workpiece surface. Keep the belt flush with
the workpiece at all times and move the tool back and
forth.
Never force the tool. The weight of the tool applies ade-
quate pressure. Excessive pressure may cause stalling,
overheating of the motor, burning of the workpiece and
possible kickback.

MAINTENANCE

•
•

Replacing carbon brushes

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► 1. Limit mark
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.
► 1. Screwdriver 2. Brush holder cap
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.
6 ENGLISH
CAUTION:
Always be sure that the tool is switched off and
unplugged before attempting to perform inspec-
tion or maintenance.
Never use gasoline, benzine, thinner, alcohol
or the like. Discoloration, deformation or cracks
may result.
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