V-4
Symptom Cause Remedy
26 Saw blade runs out. Saw blade tension is low. Retension saw blade, or
check hydraulic pressure
and cylinder.
27 Saw blade breaks. Saw blade tension is too
high.
Check hydraulic pressure.
28 Saw blade breaks or runs
out.
Saw blade is improperly set
in running position.
Adjust saw blade so that it
runs in proper position.
29 Saw blade vibrates or runs
out.
Sawhead knocks during
downward movement.
Remove air from lift cylinder.
30 Saw blade teeth are clogged
and prematurely chipped or
saw blade runs out.
Wire brush is worn. Adjust wire brush to
appropriate position or
change it.
31 Saw blade runs out.
Saw blade inserts are
unevenly worn.
Change them.
32
Saw blade runs out or
vibrates.
Guide roller or rollers are
worn.
Change them.
33
Saw blade teeth are
prematurely chipped.
V-belt is worn. Change it.
34
Saw blade teeth are
prematurely chipped or saw
blade prematurely breaks.
Backup roller or rollers are
worn or cracked.
Change them.
35 Saw blade prematurely
breaks.
Wheel or wheels are worn. Change them.
36 Saw blade teeth are
prematurely chipped or saw
blade runs out.
Speed reducer oil is
degraded or insufficient.
Change or add it.
37 Saw blade teeth are
prematurely worn, or saw
blade teeth are clogged and
saw blade runs out.
Cutting fluid is insufficient. Clean tank, and add
specified amount of cutting
fluid.
38 Saw blade vibrates and
decreases in cutting rate.
Saw blade teeth are chipped
and saw blade is reduced in
life.
Cutting fluid is degraded or
its dilution factor is too large.
Change or add it.
39
Saw blade prematurely
breaks.
Cutting fluid pump filter is
clogged.
Clean tank and filter.
40 Saw blade vibrates.
There is vibration-producing
machine nearby.
Treat this machine not to
produce vibration or relocate
it.
41 Saw blade runs out or saw
blade teeth are prematurely
chipped.
Power supply voltage is low
so that saw blade running
speed decreases with
increasing load.
Check it and connect
machine to dedicated power
source.
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