Adjust The Air Gap - Siemens SIMOGEAR 2332 Mounting And Operating Instructions

Geared motor with holding brake for safety-related applications

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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.

3. Compare the measured air gap with the value for the maximum permissible air gap s

values are listed in Chapter Adjust the air gap (Page 41).

You have now checked the air gap.

For versions with safety-related rotary encoder, limit values other than for the encoderless

version apply.

Testing the function

1. Check the function of the brake with the drive running. The armature disk must be pulled-in,

and the rotor must move freely without any residual torque.

2. Measure the DC voltage at the brake. Compare the measured DC voltage with the voltage

stamped on the nameplate. Deviations of up to 10 % are permissible.

You have now checked the brake function.

4.8.6

Adjust the air gap

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.

SIMOGEAR Safety-related brake

Operating Instructions, 01/2024, A5E53220852A/RS-AA

WARNING

Ensuring functional safety

4.8 Service and maintenance

between the armature disk and solenoid in the

. The

Lmax

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