Motor brake with adjusting screw
1.
Remove the fan wheel cover (1).
2.
Secure the fan wheel (2) with a suitable tool.
3.
Use a hexagon socket wrench to turn the adjusting screw (3)
clockwise by approx. 30° (30° = 0.1 mm).
4.
Attach the fan wheel cover.
5.
Switch on the motor.
6.
Once the motor has reached full speed, allow the motor to run
for a further 30 seconds.
7.
Switch off the motor and measure the time taken for the motor to
come to a complete standstill.
ATTENTION!
Risk of damage to machinery
If the motor brake adjustment is too tight, this will result in increa-
sed wear and high heat generation.
• Check that the time taken for the motor to come to a standstill
is between 9
– 10 seconds.
8.
Check the time taken for the motor to come to a standstill.
> 10 seconds, retighten the adjusting screw (3).
< 9 seconds, loosen the adjusting screw (3) slightly.
