Hitachi CL 10SA Technical Data And Service Manual page 19

(3) Power supply unit section
(a) Remove the two Tapping Screws (W/Flange) D4 x 16 [12] from the inside of the main body.
Remove the Cord Clip [11] and the Cord Armor [9].
(b) Then the decelerating mechanism and the power supply unit can be removed together.
(c) Removal of the Switch [6]
To disconnect the two internal wires (red and blue) coming from the Brush Block Ass'y [25], two internal wires
(black) coming from the Noise Suppressor [8] and three internal wires (black, yellow and white) coming from
the Stator [22] from the Switch [6], insert the pin of the special repair tool J-86 into the holes where each
internal wire is inserted and warp the flat spring with the pin to the extent that the internal wires can be
removed.
[CAUTION] Excessive warping can cause permanent deformation of the flat spring and poor contact
with the internal wire. If the clearance shown in Fig. 29 is over 0.5 mm, replace the flat
spring with new one.
(d) Removal of the Cord [10]
Loosen the screw on the Switch [6] with a small flat-blade screwdriver and disconnect the two internal wires
(blue and brown) coming from the Cord [10].
(4) Second pinion section (Fig. 30)
Remove the Ball Bearing 6001VVCMPS2L [45] press-fitted into the Second Pinion [41] with a bearing puller.
Then the Washer [44] can be removed. Remove the Ball Bearing 609VVC2PS2L [37] in the same manner
and remove the Retaining Ring for D15 Shaft [38] with the stop ring pliers. Then the Washer [39] can be
removed. Remove the Needle [43] and the Idle Gear [42].
Flat spring
Special repair tool J-86
Fig. 28
[41]
[37] [38] [39]
Internal wire
[42]
[43]
[44]
--- 16 ---
0.5 mm maximum
Fig. 29
[45]
Fig. 30