Hitachi W 4YD Technical Data And Service Manual page 14

8-1-5. Disassembly of the armature and the stator ... See Fig. 5.
(a) Remove housing (B).
Take out the Armature [56], Stator [57] and Brush Block Ass'y
[61] together from housing (A).
(b) The Second Pinion and Gear Set [49] can also be removed.
8-1-6. Disassembly of the power supply unit ... See Fig. 6.
(a) Remove housing (B).
(b) Loosen the two Tapping Screws (W/Flange) D4 x 16 [69]
securing the Cord Clip [68].
(c) Loosen the four Machine Screws (W/Washer) M3.5 x 6 [43] in
the Switch Ass'y [45] and remove the Cord [71] and the
Noise Suppressor [48].
* Be careful not to hitch Terminal (A) M3.5 [44] at removal
because Terminal (A) M3.5 [44] connects the Noise
Suppressor [48] to the Stator [57].
(d) Take out the Cord [71] together with the Cord Armor D8.2
[70].
[42]
[41]
[46]
[45]
[44]
[43]
[47]
[48]
[59]
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[43]
[69]
[68]
[67]
[70]
Fig. 6
[49]
[50]
[59]
Fig. 5
[42]
[64]
[71]
[55]
[56]
[57]
[58]
[63]
[60]
[62]
[61]
[39]