R
epair
(1) Removing of drill chuck
Drill chuck has to be removed as follows.
1. Take off flat head screw M6x32 by turning it clockwise. See Fig.1.
(In case of removing housing, it is not necessary to take off it.)
2.Hold the flat part of spindle with spanner 14 (No.781007-2) or
drill chuck extractor No.1R139. See Fig.1.
3. Turn the hex wrench fastened with drill chuck anti-clockwise.
In removing, be careful not to lose compression spring 4 in speed change
lever, because it easily goes away.
No.1R139
Drill chuck
extractor.
Flat head
screw M6x32
Vise
Hex wrench
(2) Removing housing
Fig.1
Fig.2
Speed change lever
Compression spring 4
(3) Note in Assembly
1 Assembly of Motor and Gear assembly
1) Motor bracket is, in advance, assembled to gear assembly for spare parts.
First, take off the motor bracket.
Be careful that the inner parts do not come out from gear assembly, when taking off motor bracket.
2) Fasten the above motor bracket to motor with screw. See Fig.3A.
3) Assemble the motor equipped with motor bracket to gear assembly.
Motor bracket
Motor
Gear assembly
Fig.3A
Fig.3
