OPERATING MANUAL NBS COMMISSIONING / MAINTENANCE
ThyssenKrupp Aufzugswerke GmbH
NB: While screwing in the screws, observe the traction sheave.
If the traction sheave starts to move, immediately unscrew the screws
slightly.
Continue emergency rescue with e).
Move the elevator car to the next landing by gradually releasing service
brake
If the elevator car does not move after operation of the brake release lever,
the start-up movement is to be supported by turning the handwinding wheel
e) If the cause of the malfunction cannot be rectified,
if the gear is defective or the drive brake is damaged, move the elevator car
by gradually screwing the brake release screws in and out.
f) With triggered speed governor
Procedure is the same as for drives without NBS, whereby the switch on the
control unit remains in operating position ("normal mode").
If the elevator car cannot be moved with the drive (recall), it is to be
disengaged from the safety gear using lifting gear. To do so, set the switch of
the NBS to "Open".
Alternatively, the NBS emergency brake is to be released manually by
screwing in the brake release screws during the pulling operation.
Note: driving with motor is not possible when the brake release screws are
screwed in.
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