Bomar Ergonomic 320.250 DG, Operating Instructions Manual

Page: 61 / 115

61
Záva
d
y
Troubl
eshooti
ng
5.1. Mechanical problems
Problem Possible causes Repair
1. Slanting cut
- Wrongly adjusted hard metal guides. Set according to the chapter „Servicing and
adjustment“
- Worn hard metal guides. Replace to the chapter „Worn pieces
replacement“
- Wrongly adjusted cubes of the saw
band guiding. Set according to the chapter „Servicing and
adjustment“
- Worn bearings of the saw band guiding. Replace according to the chapter „Worn pieces
replacement“
- Wrongly adjusted swarf brush. Set according to the chapter „Servicing and
adjustment“
- Worn swarf brush. Replace according to the chapter „Worn pieces
replacement“
- Insufficient saw band stretching. Rise the saw band stretching and set the limit
switch.
- Wrongly chosen tooth system of the
saw band. Replace the saw band and keep the instructions
of manufacturer on new saw band choice.
- Worn saw band. Replace the saw band.
- Wrongly balanced roller conveyor. Set the roller conveyor.
- Dirty feeding board. Cleanse the feeding board from debris, chip and
residue material.
- Guiding arm and guiding cube are
loosened. Clamp the guiding arm.
- Guiding arm and cube are too far from
the material. Set the guiding cube to the material.
- Too fast cutting rate. Lower the material feeding speed.
- Unexpected oscillation in material
quality. Set the cut and feeding speed to the relevant
material.
2. The cut is not cut
upon desired angle
- Securing lever is loosened. Check the securing lever efficiency and carry out
its adjustment according to chapter „Servicing
and adjustment“.
- Set angle does not match the cut angle. Check the angle adjustment with a protractor
and possibly set it according to chapter „Servicing
and adjustment“.
- Insufficient saw band stretching. Stretch the saw band and set the limit switch
according to chapter „Servicing and adjustment“.
- Guiding arm and guiding cube are
loosened. Fasten the guiding arm and the cube.
- Dirt between material and clamping
jaw. Cleanse the material and mating jaw.
3. Short lifetime of the
saw band
- Insufficient saw band stretching. Raise the tightening of the saw band set the
scanner of saw band tightening according to
chapter „Servicing and adjustment“.
- Worn swarf brush. Check the swarf brush condition and replace it in
case of excessive use as described in chapter
„Worn pieces replacement“
- Wrongly adjusted swarf brush. Check swarf brush adjustment, set it according to
chapter „Servicing and adjustment“
- Over stretched saw band Lower stretching of the saw band and set the
limit switch of the saw band stretching according
to chapter „Servicing and adjustment“
- Wrongly adjusted hard metal guides. Check the adjustment of the hard metal guides
and carry out adjustment as described in chapter
„Servicing and adjustment“
- Worn hard metal guides of the saw
band. Check the condition of the hard metal guide and
if it is too worn, replace hard metal guides
according to chapter „Worn pieces replacement“