Bomar Individual Automatic Series Operating Instructions Manual page 68

4. Insufficient cut
output.
5. The cut is not finished.
6. By choke is not
possible turn
7. Saw band drive
cannot be started.
8. The saw bands are
cracked.
9. Damage tooth system
of the saw band
10. The saw is cut
downing.
11. Cleansing of the saw
band is not functional.
68
Problem
- Worn saw band guide bearings.
- Wrongly adjusted guiding cubes of the
saw band.
- Wrongly adjusted down feed and saw
band speed.
- Different material quality.
- Low-class saw band
- Wrongly chosen saw band tooth
system.
- Wrongly adjusted tracking.
- Worn saw band.
- Wrong saw band tooth system.
- Wrongly set down feed and speed of a
saw band.
- Wrongly adjusted lower stop point of
the saw frame.
- Stop point surface is messed-up.
- Metal clamps between valve and panel.
- Metal clams are in body of valve.
- Pressure switch is adjusted wrong.
- Pressure switch is defective.
- In stretching wheel is wrong adjusting
geometry.
- Hard metal plates of circuit saw band
are not adjusting.
- Guiding cubes are not adjusting
(bearings + hard metal circuit)
- Bearings of guiding cubes are used
(rolling elements are damaged or
outside ring of bearing has conical
form).
- In gripping the lifting cylinder is
backlash.
- Squeezed pin upper or downer holder
of the lifting cylinder.
- Geometry of hardmetal guiding cubes is
wrong adjusted.
- Bearings of guiding cubes are used.
- Elastic wheel of the brush drive is worn-
down.
- Knurling of the driving wheel is worn-
down.
- The shaft of the brush drive is rusted.
Possible causes
Check guiding bearings and if you notice some
sort of excessive damage, replace them
according to chapter„Worn pieces replacement"
Set guiding cube according to chapter „Servicing
and adjustment"
Adjust the feeding and speed of a saw band
according to values published by saw band
manufacturer.
Adjust feeding and speed of a saw band
according to desired material (try cut-test).
Replace the saw band (contact your local
accessory supplier for more information)
Replace the saw band and keep instructions of
the manufacturer on the choice.
Check the space between top of a saw band and
driving wheel. Perhaps adjust the tracking as
described in chapter „Servicing and adjustment"
Replace the saw band and keep instructions of
the manufacturer on the choice.
Replace the saw band and keep instructions of
the manufacturer on the choice.
Set feed and speed of a saw band according to
values published by saw band manufacturer.
Check lower limit switch and screw.
Cleanse stop point surface of the limit switch
from debris and residue material.
Clamps must be removed and put on the shaft O-
Ring about 10x2 mm.
Valve must be cleared or changed.
Set the pressure switch according to chapter
„Servicing and adjustment"
Replace defective parts of the pressure switch.
Adjust distance band from recess wheel c.2 mm
according to operating instructions.
Hard metal plates of circuit saw band must be
adjusting according to operating instructions.
Guiding cubes must be adjusting (bearings +
hard metal circuit) according to operating
instructions.
Bearings of guiding cubes must be replaced.
Bearings must be adjusting according to
operating instructions.
Exchange complete upper or downer holder of
lifting cylinder.
Hardmetal guiding cubes must be adjusted.
Bearings of guiding cubes must be replaced.
Elastic wheel of the brush must be changed.
Driving wheel must be changed.
The shaft of the brush must be cleaned and oiled.
Repair
Manual version: 1.10 / Jan. 2011
Manual rev.: 1