Hitachi C 12LSH Technical Data And Service Manual page 54

Item Disassembly
No. spots
5
Monitor, stator
ass'y, armature
ass'y, pulley (A),
switch, laser
marker
(6) Cut the internal wires at the root of the three Connectors 50092
[267] that crimp the internal wire coming from the Stator Ass'y [253]
and the internal wire at the root of one Connector 50092 [267] that
crimps the Cord [235] and Internal Wire (A) [266].
Be sure to cut each internal wire at the root. Otherwise, it is
impossible to perform wiring at repair because these internal wires
become short.
(7) Disconnect the connector that connects the Switching Power
Supply [233] with Internal Wire (B) [236].
(8) Disconnect the connector that connects the cord of the Laser
Marker [198A] with Internal Wire (B) [236].
(9) Remove the Cord Bush [237] from Handle (L) [231]. The Cord
Bush [237] can be removed from the cord of the Laser Marker
[198A] by opening the Cord Bush [237].
(10) Remove the Tapping Screw (W/Flange) D4 x 16 [234] and remove
the Switching Power Supply [233] from Handle (L) [231].
(11) Remove the Tapping Screw (W/Flange) D5 x 25 (Black) [232] and
remove Handle (L) [231] from the Gear Case [275].
(12) Removal of the Stator Ass'y [253]:
(a) After the above steps from (1) to (11), remove the Brush Cap [243]
with a flat-blade screwdriver and take out the Carbon Brush [244].
Then the Housing Ass'y [251] can be removed from the Gear Case
[275].
(b) Remove the Fan Guide [258] from the Housing Ass'y [251].
Remove the two Hex. Hd. Tapping Screws D5 x 50 [255] that
secure the Stator Ass'y [253] to the Housing Ass'y [251]. Remove
the two Brush Terminals [252] from the Brush Holder [245].
(c) Remove the End Plate [254]. Pull out the Stator Ass'y [253] by
lightly tapping the Housing Ass'y [251] at the surface where the
Gear Case [275] is mounted with a plastic hammer.
(13) Removal of the Armature Ass'y [256/256A]:
(a) Remove the Housing Ass'y [251] from the Gear Case [275]
according to the procedure of Item No. 5-(12).
(b) Remove the Armature Ass'y [256/256A] by lightly tapping the Gear
Case [275].
(14) Removal of Pulley (A) [307]:
(a) Loosen the Nut M10 [309] of the Armature Ass'y [256/256A] that
was removed in the above step (13) and remove Pulley (A) [307].
Disassembly procedure
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Necessary tools
Nippers
Phillips
screwdriver
Flat-blade
screwdriver
Phillips
screwdriver
Plastic hammer
17-mm wrench