Repair Guide; Precautions On Disassembly And Reassembly - Hitachi C 6SS Technical Data And Service Manual

REPAIR GUIDE

Before disassembly, be sure to remove the saw blade to prevent damage to the cutting edge or personal
injury due to the saw blade.

1. Precautions on Disassembly and Reassembly

The disassembly and reassembly procedures are described below, as well as certain precautions. The
numbers in the descriptions below correspond to item numbers in the Parts List for all the models. In
disassembly, reassembly or other work, the Base [68] should be carefully handled to prevent any loss of
accuracy for each part, such as flatness of the bottom surface.
Disassembly
1. Removal of the Protective Cover
(a) Detach the hook of the Return Spring [6] from the Protective Cover [5].
(b) Loosen the Seal Lock Flat Hd. Screw M3 x 12 [9] that secures the Bearing Cover [8] in place, and then
remove the Bearing Cover [8] and Protective Cover [5].
2. Removal of the Bearing Holder
Loosen the Seal Lock Flat Hd. Screws M5 x 12 [4], and then remove the Bearing Holder [3] together with
the Spindle and Gear Set [2].
3. Removal of the Spindle and Gear Set
Fig. 1
Secure the Bearing Holder [3] in a cylindrical jig having
Spindle and Gear Set [2]
Bearing Holder [3]
an inner diameter of 42 to 43 mm (about 1-23/32"),
and then push the top end of the Spindle and Gear
Set [2] to remove it.
NOTE:
Once removed, a gear can no longer be used due
to lack of engagement. It must be replaced by a
new Spindle and Gear Set [2].
4. Removal of the Housing Ass'y
(a) Use a flat-blade screwdriver to loosen the Brush Caps [34] and then remove the Carbon Brushes [33].
(b) Loosen the Machine Screws (W/Washers) M5 x 45 (Black) [15] that secure the Housing Ass'y [30] in
place, and then remove the Housing Ass'y [30] and Gear Cover Ass'y [26].
-6-