Hitachi DB 10DL Technical Data And Service Manual page 20

(7) Reassembly of the housing
(a) Mount the LED to housing (A) of Housing (A).(B) Set [31] without twisting the LED internal wire attached
to the DC-Speed Control Switch [35]. Put the LED connected with the internal wire (red) in the space
provided on the DC-Speed Control Switch [35] side and the LED connected with the internal wire (blue)
in the space provided on the upper side of Housing (A).(B) Set [31]. Mount these two LEDs positioning
the chamfered side as shown in Fig. 12.
Fig. 12
Housing (A).(B) Set [31]
Internal wire (red)
(b) Mount the assembly of the Motor [30] and the Gear Box Ass'y [1] to housing (A) of Housing (A).(B) Set
[31]. At this time, fit the protrusions of the Gear Case [12] and the Motor Spacer [29] in the concave
portions of Housing (A).(B) Set [31] and the protrusion of the Clutch Dial [6] in the concave portion of
Housing (A).(B) Set [31]. Align the two Needles [13] protruded from the Gear Case [12] with the two
holes of Housing (A).(B) Set [31]. Be careful not to pinch the internal wires of the LED (Fig. 13).
Fig. 13
Motor Spacer [29] mounting position
Needle [13] mounting position
Internal wire (blue)
LED
Space for the LED
LED
A-A
Chamfered side
B-B
Gear Case [12] mounting position
Clutch Dial [6] mounting position
-17-
Chamfered side
LED light