Hitachi C 12LSH Technical Data And Service Manual page 51

Disassembly
Item
No. spots
5 Monitor, stator
ass'y, armature
ass'y, pulley (A),
switch, laser
marker
(1) Remove the three Tapping Screws (W/Flange) D4 x 20 (Black)
[241] and the Machine Screw (W/Washers) M5 x 10 [262] to
remove Switch Handle (R) [269] and Switch Handle (L) [263] from
the Gear Case [275].
(2) Remove the three Tapping Screws (W/Flange) D4 x 20 (Black)
[241] and the Machine Screw (W/Washers) M5 x 25 (Black) [242]
to remove Handle (R) [238] from the Gear Case [275].
(3) Disconnect the three connectors coming from the Monitor [260]
(white: 2 pcs. black: 1 pc.) and remove the two Tapping Screws
(W/Flange) D4 x 30 (Black) [261]. Then the Monitor [260] can be
removed from the Housing Ass'y [251].
Disassembly procedure
Fig. 62
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Necessary tools
Phillips
screwdriver