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3.8.5
Check the air gap and function
Unintentional starting of the drive unit
Switch off the power supply to the drive unit so that it is in a no-voltage condition.
The brake must be in a torque-free condition.
Secure the drive unit to prevent it from being started up unintentionally.
Attach a warning notice to the start switch.
Danger due to rotating parts
When checking the air gap it is not permissible that the motor runs.
It is not permissible that the spinning rotor is touched.
Risk of injury caused by electric shock
Do not touch live contacts
Procedure
Checking the air gap
1. Remove the fan cover
For the combination with manual brake release:
Unscrew the manual brake release lever
For separately driven fans
Remove the fan cover with separately driven fan
2. Using a feeler gauge, measure the air gap s
vicinity of the fixing screws.
SIMOGEAR 2332 - Safety-related brake
Operating Instructions, 11/2021, A5E51390096A/RS-AA
WARNING
DANGER
DANGER
Ensuring functional safety
3.8 Service and maintenance
between the armature disk and solenoid in the
L
39
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