Hitachi FDS 12DVA, Техническое и сервисное руководство

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(e) Install the Drill Chuck [2].
Install the Drill Chuck [2] using the special repair tool (J-292, Code No. 316379) and secure it with the
Special Screw (Left Hand) M5 x 35 [1].
(f) Install the Shift Knob [36] into the assembly reassembled in step (e).
When installing the Shift Knob [36] into the Shift Arm [16], note that the "LOW" mark on the Shift Knob [36]
faces the Motor [25] with the Shift Arm [16] engaged with the recess in the Shift Knob [36].
(g) Install the assembly reassembled in step (1) and the assembly reassembled in step (f) together. (See Fig.
13.)
Fit the projection on the Motor Spacer [24] into the recess in the Rear Case [14] while ensuring that the
Shift Knob [36] is aligned with the positive side of the Motor [25] and turn the Motor Spacer [24] clockwise
when viewed from the rear of the Motor [25] until it can turn no further. During installation, make sure that
the pinion press-fitted onto the shaft of the Motor [25] and Planet Gear (A) [21] mesh properly.
Fig. 12
[16]
Ridge
[16]
Hole
Groove
Mark
Fig. 13
(4) Installation of the Bit Holder [28] into Housing (B) [31]
Fit the upper and lower projections of the Bit Holder [28] in the grooves in Housing (B) [31].
(5) Installation of the assembly reassembled in step (3) into Housings (A) and (B) [31]
(a) Install the Pushing Button [35] into Housing (B) [31]. (See Fig. 14.)
(b) Install the assembly reassembled in step (3) into Housing (A) [31]. Note that the projections on the Front
Case [9] and the Motor Spacer [24] are engaged in the recesses in Housing (A) [31], and the projection on
Housing (A) [31] is engaged in the groove of the Cap [4]. (See Fig. 15.)
Projection
Recess