Precautions In Disassembly And Reassembly; Disassembly - Hitachi C 6SF Technical Data And Service Manual

8. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY

The procedures for disassembly and reassembly and certain precautions are described below.
The [Bold] numbers in the descriptions below correspond to the item numbers in the parts list for all the models.
In disassembly or reassembly and also in other work, the Base Ass'y [52] should be carefully handled to prevent
the loss of the accuracy of each part, such as the flatness of the bottom surface.

8-1. Disassembly

Before disassembly, be sure to remove the saw blade to prevent damage to the cutting edge or
injuries by the saw blade.
(1) Removing the Protective Cover [5]
(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] securing the Bearing Cover [8], and remove the
Bearing Cover [8] and the Protective Cover [5].
(2) Removing the Bearing Holder [3]
Loosen the Seal Lock Flat Hd. Screw M5 x 12 [4], remove the Bearing Holder [3] together with the Spindle
and Gear Set [2].
(3) Removing the Spindle and Gear Set [2] (See Fig. 4.)
Hold the bearing holder in a cylindrical jig with an inside
diameter of 42 mm to 43 mm (approx. 1-23/32"), and
remove it by pushing the end of the spindle.
Important: A gear, once removed, cannot be used again
because it no longer engages. It must be
replaced by a new spindle and gear set.
(4) Removing the Housing Ass'y [17]
(a) Loosen the Brush Caps [34] with a flat-blade
screwdriver and remove the Carbon Brushes [33].
(b) Loosen the Machine Screws (W/Washers) M5 x 45
(Black) [14] securing the Housing Ass'y [17], and
remove the Housing Ass'y [17] and Gear Cover Ass'y
[29].
Jig
--- 5 ---
Push
42 to 43 mm
Fig. 4