Makita 9901 Sander User Manual


 
5
CAUTION:
When installing the belt, make sure that the
direction of the arrow on the back of the belt
corresponds to the one on the tool itself.
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Adjusting belt tracking
1
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While the belt is running, use the adjusting knob to center
the belt tracking. Failure to do so can result in frayed belt
edges and wear on the sander frame.
Dust bag
1
2
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The use of the dust bag makes sanding operations clean
and dust collection easy. To attach the dust bag, fit it onto
the dust spout.
When the dust bag is about half full, remove the dust bag
from the tool and pull the fastener out. Empty the dust
bag of its contents, tapping it lightly so as to remove
particles adhering to the insides which might hamper
further collection.
OPERATION
Sanding operation
CAUTION:
The tool should not be in contact with the workpiece
surface when you turn the tool on or off. Otherwise
a poor sanding finish or damage of the belt may
result.
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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
adequate pressure. Excessive pressure may cause
stalling, overheating of the motor, burning of the
workpiece and possible kickback.
MAINTENANCE
CAUTION:
Always be sure that the tool is switched off and
unplugged before attempting to perform inspection
or maintenance.
Never use gasoline, benzine, thinner, alcohol or the
like. Discoloration, deformation or cracks may
result.
Replacing carbon brushes
1
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Remove and check the carbon brushes regularly.
Replace when they wear down to the limit mark. 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.
1. Limit mark
1. Dust spout
2. Dust bag
1. Adjusting knob