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Failure to maintain the brake can lead to operating faults, production outage or damage to
the plant or system. Specify a maintenance concept for each application that is appropriate
for the operating conditions and the brake load. The maintenance intervals and maintenance
work for the L brake are listed in the table.
Table 4-3
Brake
Holding brake with emergency
stop
4.8.4
Maintenance work
Note
Completely replace brakes with defective armature disks, springs or flanges.
When performing inspection and maintenance work always observe the following:
• Use a brake cleaning agent to remove any impurities as a result of oil and grease
• Possibly replace the brake after the cause has been clarified.
• Remove dirt and particles in the air gap between the solenoid and armature disk as they can
impair the function.
• After replacing the rotor, the original braking torque is only reached after the friction surfaces
have run-in. After a rotor has been changed, increased initial wear occurs for armature disks
and flanges that have been run-in.
Testing the brake
Note
If the safety-related brake is operated according to the regulations listed in these instructions,
then simplified testing/maintenance is permissible with the brake mounted.
After removing the brake, the extended testing/maintenance is no longer necessary.
Table 4-4
Testing the brake
Simplified testing/maintenance with the
brake mounted
SIMOGEAR Safety-related brake
Operating Instructions, 01/2024, A5E53220852A/RS-AA
Maintenance interval for the brake
Maintenance interval
Minimum, every 2 years.
Check the air gap (CAUTION: if the air
gap must be readjusted, then an exten‐
ded test is required after removing the
brake)
Test the release function and control
Ensuring functional safety
4.8 Service and maintenance
See the work instruction Check the air
gap and function (Page 40)
39
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