Hitachi C 8FSE Battery Charger User Manual


 
-45-
Item Phenomenon Cause
Factory
standard
Inspection, repair or adjustment
2 Rough cut surface
Parallelism (A)= 0.02/43
(a) Large deflection of
saw blade.
(Causes rough cut
surface.)
0.15
/φ205
(Dummy disc)
• Same as Item 1- (b).
(b) Poor movement of
slide pipe section
prevents smooth
cutting.
Slide load should be
within 3 kgf.
• Apply machine oil to the slide
pipe section.
• Check the slide pipe section
for any scratches or the like.
• Repair as necessary.
• Readjust the Bushing [115].
(c) Excessive clearance
at the slide pipe
section.
-
• Readjust the Bushing [115].
• Replace Hinge (A) Ass’y [87],
or the Ball Bushing [114] as
necessary.
(d) Surface parallelism of
washers (D) is
inaccurate due to
surface defects such
as impact marks and
scratches.
0.02/43
(Fig. 64)
• Repair impact marks or
scratches at Washer (D) [221].
• Replace them if necessary.
(e) Improper slide cutting
technique.
- • See paragraph "Slide
Cutting." Do not apply
unnecessary force for
successful slide cutting.
(f) Inaccurate squareness
between turn table and
saw blade, causing
saw blade to cut at an
improper angle and
make cutting marks.
0.15/100
(Fig. 59)
• Same as Item 1- (a).
(g) Excessively fast
cutting speed.
- • Reduce cutting speed.
(h) Improper clamping of
workpiece.
- • Properly clamp workpiece with
Vise Ass’y [42].
(i) Turn table is not fixed
with side handle.
- • During cutting, fix the Turn
Table [13] in position with the
Side Handle [23] without fail.
(j) Loose fitting of
swiveling portion of
hinge and gear case,
or sluggish movement.
- • Same as Item 1- (h).
(k) Cutting operation
becomes sluggish
because workpiece is
warped or bent.
- • Correct warp or bend with
planer.
(l) Excessive vibration - • Recheck items (a), (c), (d) and
(i).
Fig. 64