TROUBLESHOOTING
HOLZMANN Maschinen Austria www.holzmann-maschinen.at
Seite 32
Breitbandschleifmaschine / wide belt sander R 455B
16
TROUBLESHOOTING
Disconnect the machine from the power supply prior to any checks performed
at the machine itself !
Trouble
Possible cause
Solution
Sanding belt clogs
too quickly
Sanding belt grit too fine.
Too much material being removed
in one pass.
Dirty workpiece suction.
Insufficient dust suction.
Workpiece contains too much
moisture.
Change the grit to thicker one.
Reduce the amount of material
in one pass
Clean the workpiece
Change the dust collector with
stronger power
Rounding occurs at
edges or
workpiece.
Too much material being removed
in one pass.
Reduce the amount of material
in one pass
Uneven thickness
of right and left
sides of workpiece
after sanding.
Sanding drum is not parallel to the
table.
Uneven wear on sanding belt
Adjust the roller to be parallel
with table
Make sure if the sanding belt is
tight or change the sanding belt.
Stock slips on
conveyor belt.
Too much material being removed
in one pass.
Sanding belt grit too fine
Reduce the amount of material
in one pass
Change the grit to thicker one.
Shiny spots on
sanded workpiece.
Conveyor belt is too smooth.
Conveyor belt tension is insufficient
Excessive dust accumulated on
conveyor belt surface
Change to new conveyor
Adjust the tightness of conveyor
Clean the dust on the conveyor
Marks on sanded
surface of
workpiece.
Sanding belt too worn.
Sanding height set incorrectly
Sanding belt damaged.
Change to the new sanding belt
Adjust the height before using.
Change to the new sanding belt
Conveyor belt does
not run smoothly,
or stops.
Insufficient conveyor belt tension.
Adjust the tightness of conveyor
Summary of Contents for R455B
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