Replacing Carbon Brushes; Maintenance - Makita 4131 Instruction Manual

Chip disposal
1
005355
CAUTION:
Always be sure that the tool is switched off and
•
unplugged before removing or installing the dust
cover.
The dust cover may become hot due to hot chips.
•
Do not touch the cutting chips or dust cover with
your bare hand.
When the cutting chips are visible through the sight
window, dispose of them.
Push and turn the knob clockwise to the
remove the dust cover. Dispose of the cutting chips
accumulated inside the dust cover.
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005347
CAUTION:
Do not turn the tool upside down. The cutting chips
•
accumulated inside the dust cover may fall out of
the dust cover.
Handle the dust cover carefully so that it will not be
•
deformed or damaged.

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.
1. Sight window
symbol and
1. Dust cover
2 2. Knob
Inspecting saw blade
Check the blade carefully for cracks or damage
•
before and after each use. Replace a cracked or
damaged blade immediately.
Continuing to use a dull blade may cause a
•
dangerous kickback
Replace with a new blade as soon as it no longer
cuts effectively.
Carbide-tipped saw blades for metal cutter
•
cannot be re-sharpened.

Replacing carbon brushes

001145
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.
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.
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005356
To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be
performed by Makita Authorized Service Centers,
always using Makita replacement parts.
8
and/or motor overload.
1. Limit mark
1
1. Screwdriver
2. Brush holder
cap
2