P 4/ 10
R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Field
DISASSEMBLING
ASSEMBLING
2. Install two 4x22 Tapping screws in the holes on two diagonal
corners of Motor housing. Then remove Field from Motor
housing by tapping on the screw heads alternately.
Note:
Do not tap the diagonal corners of Motor housing directly
because the inlaid portion near the diagonal corners is fragile.
1. Disconnect the receptacles from
Brush holders, Terminal block
and Switch. (Refer to
Fig. D-1
.)
Remove two 4x60 Tapping screws
that secure Field in Motor housing.
Fig. 5
4x22 Tapping screws
(1) Separate gear housing complete together with Armature. (Refer to
Fig. 2
.)
(2) Remove Filed from Motor housing. (
Fig. 5
)
Note in disassembling:
Use 4x22 Tapping screws, which are used for fastening Gear housing complete to Motor housing, as a jig
when disassembling Field. (
Fig. 5
)
Note in assembling:
Field must be mounted to Motor housing so that its Lead wires can be routed out through the openings of Motor housing.
(Refer to
Fig. D-2
.)
4x60 Tapping screw (2 pcs.)
Fig. 6
M4x16
Pan head screws
Bearing box
1. Unscrew four M4x16 Pan head screws, then separate
Bearing box from Gear housing complete.
2. Remove Retaining ring S-12 with 1R291.
(1) Disassemble Bearing box from Gear housing complete, then remove Retaining ring S-12 from Spindle. (
Fig. 6
)
[3]-3. Spiral bevel gear 37 and Ball bearing 6201DDW
Retaining ring S-12
DISASSEMBLING
1R291