Bomar Practix Automatic 285.230 GA, Operating Instructions Manual

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Machine service
4.1. Saw band dismantling
1. Detach the machine from socket. It is guaranteed that the random start is avoided.
2. Dismantle yellow protective cover of the arm. Two plastic-headed screws fasten
the cover.
3. Open protective cover on the back side of the saw frame.
4. Turning the stretching screw to the left loose band tension
5. Take the band down from the swing wheels
6. Take the band out of guiding cubes carefully
4.2. Saw band installation
1. Prior to installation, clean all track wheels, guide cubes and inner side of the arm
thoroughly of all traces of chips and dirt.
Keep in mind the teeth direction when
installing the saw band.
2. Insert new saw band in the guide cubes. Make sure the saw band runs between
both guide rollers and it is pushed all the way to the top.
3. Put the saw band on both guide wheels. Make sure that the saw band ridge fit
tightly to the wheel rim. Then push the saw band as far back as possible.
4. By turning the stretching star to the right, you will stretch the saw band slightly.
Now remove the plastic cover of the saw band teeth.
5. Close the rear protective cover.
6. Install the yellow protective cover of the band. The arrow on the cover must match
the direction of the arrow on the band. If it does not, turn the band round.
4.3. Saw band stretching and inspection
Right saw band stretching is one of the most important criteria’s, which influents
accuracy and saw band service life. Stretch the saw bands according to the selected
saw band and the band saw. Keep the recommendation of your manufacturer.
4.3.1. Saw band stretching
1. The saw band must not fall from the wheels after setting.