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6.5.1 Tension of the V-belts:
Check the correct tension of the V-belts as follows:.
Check afterwards if both pulleys are still aligned (see fig).
The pump is now ready to use.
Landustrie version 06-14 | Operation & Maintenance manual BTP-SERIES
Subject to modifications
- Remove one of the protection plates.
- Put a force of 75N on one of the V-belts in the
middle of the 2 pulleys, see fig.
- The pressing-in (A) must be about 1 cm .
- Is the value to small (tension too high), move the
electric motor (1) towards the pump.
- Is the value too high (tension too low), move the
electric motor away from the pump.
- The difference between the three belts may not
be more than 0.5 cm.
- In that case renew all three V-belts.
- To move the electromotor,
use the tensioning rail (2)
- Place both tensioners (3) underneath the motor.
- Loosen the motor fixing bolts a bit, and screw-in
the tensioners (taut) or screw-out (slack), until the
correct tension is reached.
- Retention the fixing bolts of the motor, and
Re-check the tension again.
- Use a ruler (1) to align the pulleys.
- If necessary the motor pulley can be
moved on the shaft.
- Loosen the 3 cup screws from the hub and push
the pulley towards the motor to set it free from the
shaft.
- Move the pulley to the right position and fasten the
cup screws.
- Check the alignment again and repeat until the
right position is achieved.
- When the motor-shaft is not parallel to the
pump shaft, the motor can be rotated as shown
Loosen the motor fixing bolts and use the
tensioners (3) to rotate the motor. If necessary,
one of the tensioners can be placed into the rail
at the other side of the motor.
- Check the correct tension of the V-belts!
- Replace the protection plate.
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