Siemens FLENDER K SH Series - Page 102

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BA 5846 en 05/2015
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Fig. 42: Torquelimiting backstop
1 Backstop outer ring
2 Backstop inner ring
3 Cage with sprags
4 Shaft (adapter flange)
5 Locking wire
6 Lead screw with compression spring
7 Friction lining
Note
To safeguard the set slipping torque, the lead screws of the compression springs are secured with
locking wire. The warranty will expire if the locking wire for the screws is missing or has been damaged.
WARNING
Risk of injury through movable plant parts
After having stopped the motor, there is a danger that the load is not safely held in its position and can
run in reverse direction at high speed.
The slipping torque was set at the correct value at the works; it must not be changed.
Note
To safeguard the set slipping torque, the lead screws of the compression springs are secured with
locking wire. The warranty will expire if the locking wire for the screws is missing or has been damaged.