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3.8.3
Maintenance intervals for the brake
Replacing rotors
When used in safety-related applications subject to regular torque surges (e.g. caused by
dynamic braking operations), the rotors must always be replaced at the latest after 2 million
cycles or 10 years.
For safe and trouble-free operation, check and maintain the spring-operated brake at regular
intervals.
For operational braking, the maintenance intervals depend on the load on the brake in the
specific application. Take all causes of wear into account when calculating the maintenance
intervals. Siemens AG recommends a regular inspection at fixed time intervals for brakes that
are subject to low loads, e.g. holding brakes with an emergency stop.
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 3- 3
Brake
Holding brake with emergency
stop
SIMOGEAR 2332 - Safety-related brake
Operating Instructions, 11/2021, A5E51390096A/RS-AA
WARNING
Maintenance interval for the brake
Maintenance interval
Minimum, every 2 years.
Ensuring functional safety
3.8 Service and maintenance
37
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