STT113 TOWER CRANE OPERATION AND SERVICE MANUAL
6B
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10
3. Service and maintenance of slewing brake
Attention: There shouldn’t be any foreign substance in the brakes (such as cement,
sand, grease, etc).
1) Unscheduled maintenance
The adjustment and maintenance should be carried out under the following
conditions:
a). Insufficient braking moment which is caused by worn brake disc.
b). The indicator is out of work.
2) Scheduled maintenance
a). Every 200 hours or every one month once.
b). Check the clearance and brake moment, as well as the worn condition of the
brake disc, replace it if necessary.
c). Check that whether there is some foreign substance in the brake (such as
cement, sand, grease, etc).
