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Repair Guide; Precautions On Disassembly And Reassembly; Disassembly - Hitachi C 7SB3 Service Manual

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CAUTION: During disassembly and reassembly, and at all other times as well, always exercise
sufficient care in handling to ensure that there is no deviation in the bottom surface
flatness of the base or in its perpendicularity relative to the saw blade.

1. Precautions on disassembly and reassembly

[Bold] numbers in the description below correspond to the item numbers in the parts list and exploded
assembly diagram for the Model C 7SB3.
CAUTION: Prior to disassembly of the circular saw, remove the TCT Saw Blade [12] to protect the saw
blade teeth and yourself.
1. Removal of the TCT saw blade
(1) Gently turn the Hex. Socket Hd. Bolt M8 x 15.5 [14] using the accompanying Hex. Bar Wrench 6 mm
[503] to lock the Spindle and Gear Set [1] while pushing the Lock Lever [23].
(2) After locking the Spindle and Gear Set [1], turn the Hex. Bar Wrench 6 mm [503] counterclockwise to
loosen and remove the Hex. Socket Hd. Bolt M8 x 15.5 [14] and Washer (B) [13]. Draw the Lever [16]
and insert the Lower Guard [8] into the Gear Cover [26] and then remove the TCT Saw Blade [12].
NOTE: Be careful not to cut your fingers by the saw blade teeth.
• Removal of the TCT saw blade
2
[23]
1
Push in
(3) Remove Washer (A) [11] from the Spindle and Gear Set [1]. If the Base [67] interferes with removing
Washer (A) [11], loosen the Lever [58] and adjust to shallower cutting depth.
• Removal of washer (A)
[23]

REPAIR GUIDE

Disassembly

Loosen
[503]
[11]
[12]
[14]
3
[13]
4
[14]
[13]
Loosen
-1-
[12]
5
[16]
6
Draw
[67]
Tighten
[58]

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