Hitachi C 8FSE Technical Data And Service Manual page 48

Slide compound miter saw
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Table of Contents
Item
Phenomenon
2
Rough cut surface
Parallelism (A)= 0.02/43
Fig. 64
Cause
(a) Large deflection of
saw blade.
(Causes rough cut
surface.)
(b) Poor movement of
slide pipe section
prevents smooth
cutting.
(c) Excessive clearance
at the slide pipe
section.
(d) Surface parallelism of
washers (D) is
inaccurate due to
surface defects such
as impact marks and
scratches.
(e) Improper slide cutting
technique.
(f) Inaccurate squareness
between turn table and
saw blade, causing
saw blade to cut at an
improper angle and
make cutting marks.
(g) Excessively fast
cutting speed.
(h) Improper clamping of
workpiece.
(i) Turn table is not fixed
with side handle.
(j) Loose fitting of
swiveling portion of
hinge and gear case,
or sluggish movement.
(k) Cutting operation
becomes sluggish
because workpiece is
warped or bent.
(l) Excessive vibration
-45-
Factory
Inspection, repair or adjustment
standard
• Same as Item 1- (b).
0.15
205
(Dummy disc)
Slide load should be
• Apply machine oil to the slide
within 3 kgf.
pipe section.
• Check the slide pipe section
for any scratches or the like.
• Repair as necessary.
• Readjust the Bushing [115].
-
• Readjust the Bushing [115].
• Replace Hinge (A) Ass'y [87],
or the Ball Bushing [114] as
necessary.
0.02/43
• Repair impact marks or
(Fig. 64)
scratches at Washer (D) [221].
• Replace them if necessary.
-
• See paragraph "Slide
Cutting." Do not apply
unnecessary force for
successful slide cutting.
0.15/100
• Same as Item 1- (a).
(Fig. 59)
-
• Reduce cutting speed.
-
• Properly clamp workpiece with
Vise Ass'y [42].
-
• During cutting, fix the Turn
Table [13] in position with the
Side Handle [23] without fail.
-
• Same as Item 1- (h).
-
• Correct warp or bend with
planer.
-
• Recheck items (a), (c), (d) and
(i).

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