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R
epair
(1)
Disassembly
Remove drill chuck before replacing gear assembly. Drill chuck should not be removed when disassembling th housing
only. Take care that compression spring in the speed change lever would fly out.
(2)
Handling of auxiliary gear assembly
Dispose machine screw that fixes the motor bracket as this is used for temporary fitting at the time of transportation.
Temporary machine screw
(3)
Mounting of motor bracket
Mount motor bracket to the motor and install gear assembly to the motor bracket. (See figure 3. Tightening torque of
M3 screw that fixes gear assembly and motor bracket: 6 kgf/cm
(Do not tighten the screw over the specified torque, or the washer will be damaged.)
Motor bracket
DC motor
Compression spring
Figure 1
Figure 2
Figure 3
Speed change lever
Motor bracket
Gear assembly
M3 screw
Motor bracket
DC motor
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