
Malfunctions
Version 1.1.2 - 2022-02-24
81
Translation of original instruction
S 131 GH
EN
S131
GH_GB
_8.
fm
7
Malfunctions
7.1
Malfunctions on the metal band saw
Malfunction
Cause/
possible effects
Solution
Saw motor overloaded
•
Suction of motor cooling air hin-
dered
•
Motor not correctly fixed
•
Drive of saw belt not been properly
fixed
•
Check an clean
•
Requires technical service! Have
the machine repaired in the work-
shop.
Short life of saw belt
(Teeth blunt)
•
Quality of saw belt not suitable for
this material
•
An incorrect tooth spacing causes
breakage of teeth (the broken
tooth in the workpiece blunts the
other teeth)
•
Missing cooling
•
Cutting speed too high
•
Feed too high
•
Saw belt of higher quality (bimetal-
lic blade)
•
Select correct tooth pitch
•
Use coolant equipment
•
Reduce cutting speed
•
Reduce feed
Breakage of tooth
•
The chip space in the saw belt is
overcharged, tooth pitch incorrect
•
Use saw belt with a different tooth
pitch or reduce feed
Breakage of the saw band
•
Tension in the saw belt too high or
too low
•
Saw blade defective
•
Saw blade guide adjusted incor-
rectly
•
Check tension of saw band
•
Replace
•
Adjust blade guide correctly
Twisted cut (saw belt
deviating)
•
Distance between guide and work-
piece too high
•
Saw belt blunt
•
Too low saw belt tension
•
Feed too high
•
Cutting pressure too high
•
Saw belt defective (irregular set)
•
Saw belt guide adjusted incorrectly
•
Bring the guide as close to the
workpiece as possible
•
Replace
•
Tighten correctly
•
Reduce
•
Reduce
•
Replace
•
Readjust
Cut not rectangular but
parallel
•
Material does not rest on both vice
jaws
•
Saw arch not adjusted to 90
0
•
Insert material properly
•
Adjust saw arch correctly