Hitachi C 12LDH Technical Data And Service Manual

--- 46 ---
a Inaccurate
squareness between
the turn table and the
saw blade causes the
saw blade to cut into
the workpiece at an
angle.
b Excessive deflection
of the saw blade
(Excessive vibration)
c Inaccurate
squareness between
the fence (A), fence
(B) and the saw blade
d Inaccurate surface
flatness of the fence
(A) and fence (B)
causes workpiece to
move irregularly,
causing poor
squareness of cut
surface.
• Adjust squareness with the
Nylock Hex. Socket Hd. Bolt
M8 x 20 [69].
• Replace the Hinge Ass'y [43],
Gear Case [246] or the Turn
Table Ass'y [108] (if
deformed).
• Replace the TCT Saw Blade
305 mm-D25.4 Hole-NT32
[250].
• Check Washers (A) [251] and
(B) [249] for dents, and
replace them if dented.
• Loosen the Bolt M8 x 35
[142] and adjust the
squareness.
• Replace Fence (A) [172] or
Fence (B) [150].
• Loosen the Bolt M8 x 35
[142] and adjust the
squareness.
• Replace Fence (A) [172] or
Fence (B) [150].
0.2/100
(Dummy disc)
(Fig. 66)
0.2/280
(Dummy disc)
0.2/100
(Fig. 67)
0.2 or less
(Fig. 68)
12. REPAIR GUIDE
1
Inaccurate cutting
•••
Inaccurate
squareness of the
cut surface
•••
Cut surfaces do not
fit together properly.
Fig. 66
Fig. 67
Fig. 68
Item Phenomenon Cause
Factory
standard
Inspection, repair or
adjustment
Unit: mm
------
------
e Loose fitting of
swiveling portion of
the hinge and the
gear case or sluggish
movement. As a
result, components
may be deformed
because of unstable
gear case or because
the operator applies
excessive pressure
during operation.
f The workpiece moves
during cutting
because it is bent or
deformed.
• Check the fitting surfaces of
the Hinge Ass'y [43], Gear
Case [246] and Shaft (B)
[168] for any foreign
substances (such as cutting
dust), and remove it as
necessary.
• Correct bend, flex or other
deformation by planing and
try cutting.
Fence (A)
Fence (B)

Hitachi C 12LDH Specifications

General

Brand	Hitachi
Model	C 12LDH
Category	Saw
Language	English