STT293 CONCISE TOWER CRANE MANUAL
55- EURC1.0ENG
3.2.2. OPERATION
- Make the motor run in the desired direction.
- The brake releases.
- The electrodynamic brake inductor is supplied with direct current.
- An amperage change in the inductor produces a speed change. In that way,
the desired speed can be obtained by means of the control box.
AT STANDSTILL:
- The power supply to the motor is switched off, power is supplied
to the inductor of the electrodynamic brake and the jib is brought
to a stop;
- The safety brake only locks when, in case of necessity, the operator
presses the slewing brake button (XRFS).
ATTENTION: Stopping the jib by counter-slewing is prohibited.
At the end of the workday, the jib must be placed in weathervaning.
(909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880
CRANE SERVICE
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