Hitachi C 12FSA Technical Data And Service Manual page 41

Disassembly
Item
No. spots
Belt, pulley,
6
spindle ass'y,
stopper pin
1. Turn the Belt [157] by pulling it outward and remove it. Lock the
spindle with the Stopper Pin [165] and pull out the pulley (B) [159]
by removing the Nut M8 [114].
2. Remove the two Machine Screws M5 x 16 [160] and then remove
the Spindle Ass'y [167] by gently hammering the Gear Case [140]
with a plastic hammer.
3. Loosen the Nut M8 [114] of Pulley (A) [117] while holding the
17 mm (43/64") wrench to the Special Washer [116] and removing
the Nut M8 [114] of Pulley (A) [117] allows you to remove Pulley (A)
[117].
4. Removing the four Flat Hd. Screws M4 x 10 [118] allows you to
remove the Cover [119], Stopper Pin [165] and Lock Spring [166].
Remove the Ball Bearing [124] by gently hammering the Gear Case
[140] with a plastic hammer.
Disassembly procedure
Fig. 64
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Necessary tools
13 mm (33/64")
wrench
Phillips
screwdriver
Plastic hammer
17 mm (43/64")
wrench
13 mm (33/64")
wrench
Phillips
screwdriver
Plastic hammer