Replacing Carbon Brushes - Makita DTD152 Manuel D'instruction

3. Bolt
• Even though the torque coefficient and the
class of bolt are the same, the proper fasten-
ing torque will differ according to the diame-
ter of bolt.
• Even though the diameters of bolts are the
same, the proper fastening torque will differ
according to the torque coefficient, the class
of bolt and the bolt length.
4. The manner of holding the tool or the material
of driving position to be fastened will affect the
torque.
5. Operating the tool at low speed will cause a reduc-
tion in the fastening torque.
MAINTENANCE
CAUTION:
Always be sure that the tool is
switched off and the battery cartridge is removed
before attempting to perform inspection or
maintenance.
NOTICE:
Never use gasoline, benzine, thinner,
alcohol or the like. Discoloration, deformation or
cracks may result.

Replacing carbon brushes

► 1 . Limit mark
Check the carbon brushes regularly.
Replace them when they wear down to the limit mark.
Keep the carbon brushes clean and free to slip in the
holders. All carbon brushes should be replaced at the
same time. Use only identical carbon brushes.
1. Use a screwdriver to remove two screws then
remove the rear cover.
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8 ENGLISH
► 1 . Rear cover 2. Screw
2. 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 . Recessed part 2. Spring 3. Arm
3. Use pliers to remove the carbon brush caps of
the carbon brushes. Take out the worn carbon brushes,
insert the new ones and replace the carbon brush caps
in reverse.
► 1 . Carbon brush cap
4.
Make sure to place the lead wire in opposite side
of the arm.
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2
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