Hitachi C 10FCH Technical Data And Service Manual page 43

Item
Phenomenon
2 Rough cut surface
Parallelism (A) =
0.02/43
A A
Washer (D) Washer (D)
Fig. 53
Cause
a Large deflection of the
saw blade (It causes
rough cut surface.)
b Each surface
parallelism of washer
(D) is inaccurate due
to surface defects
such as impact marks
and scratches.
c Inaccurate
squareness between
the turn table and the
saw blade causes the
saw blade to cut at an
improper angle and
make cutting marks.
d Excessively fast
cutting speed
e Improper clamping of
workpiece
f The turn table is not
fixed with the side
handle.
g Loose fitting of
swiveling portion of
the hinge and the gear
case or sluggish
movement.
h Cutting operation
becomes sluggish
because workpiece is
warped or bent.
i Excessive vibration
--- 39 ---
Factory
standard
• Same as the Item 1- b .
0.38/220
(Dummy disc)
• Repair impact marks or
Washer (D) 0.02/43
scratches on Washer (D) [87]
(Fig. 53)
or replace them as necessary.
0.4/100
• Same as the Item 1- a .
(Fig. 49)
• Reduce cutting speed.
-----
• Properly clamp workpieces with
-----
the vise ass'y.
• During cutting, fix the Turn
-----
Table [50] in position with the
Side Handle [51].
• Same as the Item 1- g .
-----
• Correct warp or bend with
-----
planer.
• Recheck the items a , b and
-----
f .
Inspection, repair or
adjustment