Makita BTD146 Impact Driver User Manual


 
9
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
reduction 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.
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.
1
2
012018
Use a screwdriver to remove two screws then remove
the rear cover.
1
2
3
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
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.
1
2
012064
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.
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.
1. Hole
2. Carbon brush
cap
1. Lead wire
2. Carbon brush
cap
1. Carbon brush
cap
1. Spring
2. Arm
3. Recessed part
1. Screws
2. Rear cover
1. Limit mark