--- 37 ---
11. REPAIR GUIDE
No. Problem Possible cause
Factory rated
value
Remedy
1
Low cutting accuracy
--- poor squareness of
cut surface
a) Because of poor
squareness between
the table and saw
blade, the saw blade
enters the material at
a slant.
0.4/60
(Dummy disc)
(Fig. 40)
• Readjust the squareness of the
saw blade using the M6 x 20
Seal Lock Screw [27].
b) Large run out of saw
blade.
(Large vibration)
0.38/230
(Dummy disc)
• Replace the Saw Blade [704].
• Check Washer (A) [75] for
dents, etc. If any, remove with
a file.
• Replace Washer (A) [75].
c) Poor parallelism of
table upper surface.
1.0 /200
or under
• Replace Table [33].
d) Poor parallelism
between the table and
the extension wing.
1.5/200
or under
• Loosen the M8 x 20 Bolt (W/
Washers) [107], and readjust
the parallelism between the
Table [33], and Extension Wing
(R) [35] and Extension Wing
(L) [29].
• Replace Extension Wing (R)
[35] or Extension Wing (L) [29].
e) Poor parallelism
between the miter-
gauge groove and
saw blade.
0.4/200
(Dummy disc)
• Loosen the M6 x 25 Flat Hd.
Screw [26], and readjust the
parallelism between the miter-
gauge groove and the saw
blade.
f) Poor parallelism
between the rip fence
and saw blade.
1.0/200
(Dummy disc)
(Fig. 41)
• Loosen the M6 x 12 Bolt [43],
and readjust the parallelism
between the rip fence and the
saw blade.
g) A too fast cutting
speed causes the saw
blade to deflect and
results in low
accuracy.
------
• Slow down the cutting speed.
(Proper speed is 7 seconds for
50 mm rectangular lumber.)
h) Excessive force is
applied because of a
dull saw blade.
------
• Sharpen the Saw Blade [704].
• Replace the Saw Blade [704].
i ) Deformation of the
material such as a
curvature or bend
causes the material to
move during cutting.
------
• Correct the curvature or bend
by planing the material, and cut
again.
Fig. 40
Fig. 41
Table
Saw blade
Squareness
0.4/60
Saw blade
Table
Rip fence
Parallelism
1.0/200
(Note) Unit:
mm
/mm
(Note) Unit:
mm
/mm
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