Hitachi DS12DVF3 — инструкция по разборке редуктора и блока управления [18/34]

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(5) Disassembly of the gear unit

Remove the Shift Arm [16] from the Rear Case [14], then remove the

Screw Set D3 x 12 (4 pcs.) [15] connecting the Front Case [9] and the

Rear Case [14]. Remove Washer (A) [13], Planet Gear (C) Set

(3 pcs.) [12], Ring Gear [11] and six Steel Balls D5 [10] from the Front

Case [9] in order. Take care not to lose the six Steel Balls D5 [10] in

this operation.

(6) Disassembly of the clutch unit

(a) After press up the hook of Front Case [9] with the small flat-blade

screwdriver, the Clutch Dial [4] and Click Spring [5] can be taken out

as they are. (See Fig. 6.)

(b) Turn the Nut [6] counterclockwise and remove it from the Front

Case [9], then remove the Spring [7] and Washer (D) [8] from the

Front Case [9].

NOTE: Do not remove the Front Case [9].

Fig. 5

Hexagonal bar wrench

Shift Arm [16]

Special repair tool (J-292)

Vise

Clutch Dial [4]

Drill Chuck 10TLRK-N

(W/O Chuck Wrench) [2]

Front Case [9]

Slide Ring Gear [17]

Rear Case [14]

(7) Disassembly of the power supply unit

NOTE: Do not remove the heat sink secured to the DC-Speed Control Switch [33] with a screw.

Remove the two Machine Screws M3 x 8 [28], and take the Motor [25] and the Motor Spacer [24] apart.

Disconnect Internal Wires (B) [31] [32] from the Motor [25] with a soldering iron, then disconnect them from

the DC-Speed Control Switch [33] with a soldering iron in the same manner.

Fig. 6

Hook (3 pcs.)