Checking Of Insulation Distance; No-Load Current; Reassembly Requiring Adjustment - Hitachi C 12FSA Technical Data And Service Manual

11-4. Checking of Insulation Distance

Do not remove too much of the insulation coating at the internal wire connection. Take care not to let the core of
the internal wire stick out Tube (D) [148] or let the internal wires get caught in a joint between the Side Cover (L)
Ass'y [172] and Side Cover (R) [133].

11-5. No-load Current

After no-load operation for 30 minutes, the no-load current values should be as follows.
Voltage, frequency
No-load current

11-6. Reassembly Requiring Adjustment

(1) Adjustment of squareness between the saw blade (dummy disc) and the fence
Fence (B)
Square
First adjust the squareness between the saw blade and either fence. Then adjust flatness of the two fences by
applying a straight edge to the right and left fence surfaces. Finally, apply a square to the fence surface that has
not been checked yet and make sure it forms squareness [rated value of 0.15/100 mm (0.006"/4")] with the saw
blade.
(2) Adjustment of the lower limit position of the saw blade
Wing nut M8
Nut M8
for lower
limit
stopper
100 --- 120 V, 60 Hz
8.5 A max.
Fence (A)
Saw blade
(dummy disc)
Fig. 72
Cut adjustment bolt M8
Gear case
Hinge
Fig. 73
--- 43 ---
230 --- 240 V, 50 Hz
2.7 A max.
It is necessary to check and adjust the right-angle orientation
between the saw blade (dummy disc) and the fence after
disassembly and replacement of the Base Ass'y [23A], Turn
Table [9A], Fence (A) [47A], Fence (B) [21A], Holder (A)
[68] and Hinge Ass'y [51] and after disassembly, reassembly
and adjustment of the Bushing [73].
Adjust the squareness [rated value of 0.15/100 mm
(0.006"/4")] by moving the fences along the saw blade
(dummy disc).
Adjust the unit so that the saw blade [305 mm (12")]
is 9 to 10 mm (11/32" to 13/32") below the base
surface (or top surface of Table Insert [2]).
Loosen the Wing Nut M8 [132] and Nut M8 [151] and
turn the Bolt M8 x 100 [152] to change the contacting
portion between the Nut M8 [151] and the Gear Case
[140]. The saw blade position is rised by rising the
Wing Nut M8 [132] fitted on the Bolt M8 x 100 [152],
and lowered by lowering the Nut M8 [151]. After
adjustment, tighten the Wing Nut M8 [132] securely
to prevent loosening of the Bolt M8 x 100 [152].