Hitachi C 8FSE Technical Data And Service Manual page 47

Item Phenomenon
1
Hinge (A) ass'y
Slide pipe (A)
Slide pipe (B)
Fig. 62
Fig. 63
Cause
(g) Inaccurate
squareness between
fences (A) and (B),
turn table and base
causes the workpiece
to tilt at an angle and
prevent accurate
cutting.
(h) Loose fitting of
swiveling portion of
hinge (A) ass'y and
gear case, or sluggish
movement. As a result,
components may be
deformed because of
unstable gear case or
because the operator
must apply excessive
pressure during
operation.
(i) Excessively fast cutting
speed causes
deflection of saw blade
and inaccurate cutting.
(j) Excessive cutting force
(pressure) is required
because of dull saw
blade.
(k) The workpiece moves
during cutting because
it is bent or deformed.
-44-
Factory
Inspection, repair or adjustment
standard
• Adjust the clearance between
the Bushing [115] and slide
pipe (A) with the Seal Lock
Hex. Socket Set Screw M6 x
10 [118]. Ensure that slide pipe
section slides smoothly with a
slide load of within 3 kgf.
0.1/65 • Replace Fence (A) [55] or
(height of Fence (A) Fence (B) [47] as necessary.
[55])
0.1/49
(height of Fence (B)
[47])
(Fig. 63)
- • Check the fitting surfaces of
Hinge (A) Ass'y [87], Gear
Case [198] and Hinge Shaft
(A) [92] for any foreign
substance (such as cutting
dust) and remove it as
necessary.
- • Reduce the cutting speed
(appropriately 6 seconds for a
square wood workpiece of 60
mm (2-3/8")).
- • Sharpen the saw blade again.
- • Correct bend, flex or other
deformation by planing and try
cutting.