Taking The Equipment Out Of Operation; Taking The Equipment Out Of Service When Faults Occur; Taking The Equipment Out Of Service At The End Of The Shift; Taking The Equipment Out Of Service For Maintenance And Repairs - DEMAG DC-Com 1 Operating Instructions Manual

WARNING
Unauthorised, negligent or accidental switching-on.
Danger to life and limb.
Check to ensure that the reason for the emergency stop has been eliminated before the machine is switched on
again.
The emergency-stop device must not be used to switch the machine off in normal operation.
Every chain hoist is fitted with an emergency-stop device with which all motions can be stopped in the event of a
hazard.
The emergency-stop button is arranged in a clearly visible position on the control pendant. Anybody who identifies
an immediate danger of personal injury must actuate the emergency stop without delay. This also applies in the
case of damage that occurs to parts of the machine and equipment which makes it necessary to stop and secure
the machine immediately.
● To actuate the emergency stop, press the button until it reaches the end stop. It then locks automatically and
the chain hoist is shut down.
● To unlock the actuated emergency stop, turn the pushbutton in the direction of the arrows (clockwise) and re‐
lease it.
Following an emergency stop, do not switch the machine on again until a trained person is satisfied that:
● the cause which led to actuation of this function has been rectified and
● continued operation of the machine constitutes no further hazard.
Control pendant
Demag chain hoists can be equipped with various control pendants, as required. Refer to the relevant documents
for operation of the control pendant and button assignments, see  Tab. 3, Page 7.
7.5

Taking the equipment out of operation

7.5.1

Taking the equipment out of service when faults occur

The machine must be switched off immediately if the following faults occur:
● If electric devices and cables as well as parts of the insulation are damaged.
● Brake and safety device failure.
7.5.2

Taking the equipment out of service at the end of the shift

The following measures must be taken when finishing work or leaving the working area:
● Position the hoist unit outside the travel area.
● Move the unloaded hoist unit into its resting position.
● Actuate the emergency stop.
● Switch the hoist unit power supply off at the mains connection or isolating switch.
The chain hoist must be disconnected from the power supply when finishing work or leaving the working area.
However, if the chain hoist is continuously connected to the power supply, the following must be considered:
● The chain hoist is not protected against unauthorised or accidental switching-on and, therefore, it is not pro‐
tected against unintended movements.
● Damage may be caused by an electric surge if lightning strikes.
● The power-supply line and the electric cabling and wiring must be checked with particular care and at shorter
intervals.
● The control system of the chain hoist consumes approx. 1,1 VA when at standstill.
7.5.3

Taking the equipment out of service for maintenance and repairs

1. Switch off the mains connection switch or isolating switch before commencing maintenance work.
60