Mechanical Problems - Bomar Ergonomic Series Operating Instructions Manual

5.1.

Mechanical problems

Problem
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1. Slanting cut
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2. The cut is not cut
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upon desired angle
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3. Short lifetime of the
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saw band
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Possible causes
Wrongly adjusted hard metal guides.
Worn hard metal guides.
Wrongly adjusted cubes of the saw
band guiding.
Worn bearings of the saw band
guiding.
Wrongly adjusted swarf brush.
Worn swarf brush.
Insufficient saw band stretching.
Wrongly chosen tooth system of the
saw band.
Worn saw band.
Wrongly balanced roller conveyor.
Dirty feeding board.
Guiding rail and guiding cube are
loosened.
Guiding rail and cube are too far from
the material.
Too fast rate of movement into the
cut.
Unexpected oscillation in material
quality.
Securing lever is loosened.
Set angle does not match the cutting
angle.
Insufficient saw band stretching.
Guiding cube holder and guiding
cube are loosened.
Dirt between material and clamping
jaw.
Insufficient saw band stretching.
Worn swarf brush.
Wrongly adjusted swarf brush.
Repair
Set according to the chapter „Servicing and
adjustment"
Replace according to the chapter „Worn pieces
replacement"
Set according to the chapter „Servicing and
adjustment"
Replace according to the chapter „Worn pieces
replacement"
Set according to the chapter „Servicing and
adjustment"
Replace according to the chapter „Worn pieces
replacement"
Increase the saw band stretching and set the
limit switch.
Replace the saw band; follow the instructions of
the manufacturer for new saw band choice.
Replace the saw band.
Adjust the roller conveyor.
Cleanse the feeding board from debris, chip
and residue material.
Tighten the guiding rail.
Set the guiding cube to the material.
Lower the material speed of descent of the
arm.
Adjust the cutting parameters and feeding
speed according to the material.
Check the securing lever efficiency and carry
out its adjustment according to chapter
„Servicing and adjustment".
Check the angle adjustment with a protractor
and if need be adjust it according to chapter
„Servicing and adjustment".
Stretch the saw band and set the limit switch
according to chapter „Servicing and
adjustment".
Fasten the guiding holder and the cube.
Cleanse the material and mating jaw.
Increase the tightening of the saw band and set
the sensor of saw band tightening according to
chapter „Servicing and adjustment".
Check the swarf brush condition and replace it
in case of excessive wear as described in
chapter „Worn pieces replacement"
Check swarf brush adjustment, set it according
to chapter „Servicing and adjustment"
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