Hitachi C 10RA2 Technical And Service Manual page 36

No Problem
2 Poor cut surface
Parallelism a =
0.02/63
a
a
Washer (A)
mm
(Note) Unit: /
mm
Fig. 34
The saw blade locks
3
up.
Possible cause
a) Large run out of saw
blade (Large run out
results in poor cut
grain.)
b) Poor parallelism of
washer (A) due to
dents or flaws
c) Cutting speed too fast.
d) During cutting, the
material becomes
rough because of its
curvature, bend, etc.
a) Cutting speed too fast.
b) Thin extension cord
c) Excessive force is
applied because of a
dull saw blade.
d) Wrong selection of
saw blade
e) During cutting, the
material binds the saw
blade because of a
deformation such as
curvature and bend.
Factory rated
value
(Dummy disc)
• Same as item No. 1, b).
Washer (A)
• Remove dents or flaws on
(Fig. 34)
------
• Slow down the cutting speed.
------
• Eliminate the curvature, bend,
------
• Slow down the cutting speed.
------
The usable extension cords are
as follows:
------ • Shapen the Saw Blade [704].
• Replace the Saw Blade [704].
------ • Use a genuine Hitachi saw
• The higher the number of teeth
------ • Eliminate the curvature, bend,
--- 32 ---
Remedy
Washer (A) [98], or replace.
etc. in the material by planing.
Ampere rating 15
Ext. cord length Wire gauge size
25 ft. 14 A.W.G.
(7.5 m) (2.0 mm
50 ft. 12 A.W.G.
(15 m) (3.5 mm
blade.
of a saw blade, the more
cutting resistance increases.
Where a saw blade with many
teeth is used, cut slowly.
etc. in the material by planing.
2 )
2
)