Maintenance; Replacing Carbon Brushes - Makita 4131 Instruction Manual

MAINTENANCE

1. Limit mark
1
1. Screwdriver
2. Brush holder cap
CAUTION:
• Always be sure that the tool is switched off and
unplugged before attempting to perform inspection or
maintenance.
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 and/or motor overload. 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 iden-
tical carbon brushes.
1
Use a screwdriver to remove the brush holder caps. Take out
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the worn carbon brushes, insert the new ones and secure
the brush holder caps.
To maintain product SAFETY and RELIABILITY, repairs, car-
bon brush inspection and replacement, any other mainte-
nance or adjustment should be performed by Makita
2
Authorized or Factory Service Centers, always using Makita
replacement parts.
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