Ryobi CTH1202K2 Service Manual download pdf (Page 14)

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(4) Disassembly of the gear unit

Remove the Shift Arm [16] from the Rear Case [14], then remove the four Screws Set D3 x 12 [15] connecting

the Front Case [9] and the Rear Case [14]. Remove Washer (A) [13], Planet Gears (C) Set [12], Ring Gear

[11] and the twelve Steel Balls D5 [10] from the Front Case [9] in order. Take care not to lose the twelve Steel

Balls D5 [10] in this operation.

(5) Removal of the Spring [6] and Washer (D) [7]

Turn the Nut [5] counterclockwise and remove it from the Front Case [9], then remove the Spring [6] and

Washer (D) [7] from the Front Case [9].

(Note) Do not remove the Front Case [9].

(6) Disassembly of the power supply unit

(Note) Do not remove the fin secured to the DC-Speed Control Switch [34] with a screw.

Remove the two Machine Screws M3 x 8 [29], and take the Motor [25] and the Motor Spacer [24] apart.

Disconnect the Internal Wires (B) [32] [33] from the Motor [25] with a soldering iron, then disconnect them

from the DC-Speed Control Switch [34] with a soldering iron in the same manner.

10-1-2. Reassembly

Reassembly can generally be carried out as the reverse of the disassembly procedure, with some items to be

noted as follows.

(2) Reassembly of the power supply unit

(a) Be sure to perform wiring connections as indicated in the wiring diagram. (See Fig. 5.)

Fig. 4

Hexagonal bar wrench

Shift Arm [16]

Special repair tool (J-292)

Vise

Special Screw M5 x 35 [1]

Drill Chuck [2]

Cap [4]

Front Case [9]

Slide Ring Gear [17]

Rear Case [14]

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Ryobi CTH1202K2 Service Manual Page 14