BorMann BBS2100 - Operation

8
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Checking and adjusng the tension of the band saw blade
The correct tension of the band saw blade is crucial for the funconing and safety of the machine. If the tension is too high, the band saw blade may break. If
the tension is too low, the band saw blade may stop.
1. Use hand protecon.
2. Li the upper guide (6) up as far as possible.
3. Press laterally against the band saw blade (28).
Set point: It should be possible to push the band saw blade approx. 1 – 2 mm to the side.
4. Change the tension by turning the clamping screw (3) unl the set point is reached.
Direcon of rotaon as seen from above: ↻ Tension the band saw blade. ↺ Release the tension of the band saw blade.
Checking the posion of the band saw blade
If set points are not met, see secon Adjust the posion of the band saw blade.
1. Open the housing doors (2).
2. Take the following steps to check the band saw blade (28) for damage, e.g. cracks, missing teeth, etc.
WARNING! Risk of injury! A damaged band saw blade can break! Never operate the machine with a damaged band saw blade. Always mount an
undamaged band saw blade.
3. Check the posion on the drive wheel (25) and running wheel (29):
Turn the running wheel and observe the band saw blade on the running wheel and drive wheel.
Set point: The band saw blade runs enrely on the black tyres of the drive wheel and running wheel.
4. Check the posion on the rear guides:
i) Turn the running wheel and observe the guide rollers (36) of the rear guides.
Set point: The guide rollers do not rotate connuously when the band saw blade moves.
ii) Press the staonary band saw blade back with a piece of wood.
Set point: The band saw blade can be pushed back by a maximum of 0.5 mm using a piece of wood.
5. Check the lateral posion of the lateral guides (Fig. D, E):
Turn the running wheel and observe the lateral guides from the front
Set point: The band saw blade almost touches the guide pins (35): Gap of approx. 0.5 mm. The band saw blade does not grind on the guide pins.
6. Check the rear posion of the lateral guides:
Turn the running wheel and observe the lateral guides from the right.
Set point: The non-toothed part of the band saw blade runs between the guide pins.
7. Close the housing doors (2).
Check that the band saw blade is perpendicular to the saw table
For precise inspecon you will need a vercal stop bracket (not included). Alternavely, you can use the parallel guide (21).
1. Tilt the saw table up to the support screw (38).
2. Use the stop bracket to check that the saw table and band saw blade are perpendicular to each other.
Check safety devices
WARNING! Risk of injury! Never operate a machine if a safety device is damaged or does not work. Contact an authorised service centre.
1. Lower the upper guide (6) down as far as possible.
2. Make sure that the saw band guard (5) is undamaged and locked.
3. Insert the machine plug into a wall socket.
4. Press the ON buon I (31) of the ON/OFF switch.
5. Open one of the housing doors (2). The machine switches o immediately.
6. Close the housing door (2). The machine must not restart.
7. Repeat the procedure with the other housing door.
8. Pull out the mains plug. The machine is ready for use.
OPERATION
Sawing with the bandsaw
WARNING! Risk of injury and damage to property! Follow these instrucons when sawing:
General instrucons
The following safe working pracces are considered to contribute to safety, but may not be appropriate, complete or fully applicable to every applicaon. They
cannot cover every possible danger and must be carefully interpreted.