Maintenance; Replacing Carbon Brushes - Makita DTD134 Instruction Manual

MAINTENANCE

CAUTION:
Always be sure that the tool is switched off and the
•
battery cartridge is removed 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
006258
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.
012018
Use a screwdriver to remove two screws then remove
the rear cover.
1
2
012019
Raise the arm part of the spring and then place it in the
recessed part of the housing with a slotted bit
screwdriver of slender shaft or the like.
1. Limit mark
1. Screws
1
2. Rear cover
2
1. Spring
2. Arm
3. Recessed part
3
012020
Use pliers to remove the carbon brush cap of the carbon
brushes. Take out the worn carbon brushes, insert the
new ones and replace the carbon brush cap in reverse.
2
013950
Make sure to place the lead wire in opposite side of the
arm.
1
2
006304
Make sure that the carbon brush caps fit into the holes in
brush holders securely.
Reinstall the rear cover and tighten two screws securely.
After replacing brushes, insert the battery cartridge into the tool
and break in brushes by running tool with no load for about 1
minute. Then check the tool while running and electric brake
operation when releasing the switch trigger. If electric brake is
not working well, ask your local Makita service center for repair.
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.
8
1. Carbon brush
cap
1
1. Lead wire
2. Carbon brush
cap
1
1. Hole
2. Carbon brush
cap