Crane operation
11.5 Crane operation with main boom
Operating manual 3 302 709 en 11 - 79
GMK5150L
12.01.2018
11.5.3 Auxiliary hoist
You can have the operating hours (1) of the hoist displayed; Ã p. 11 - 133.
Switching on the
auxiliary hoist
After the ignition is switched on, all of the power units will be switched off
and the lamps in the corresponding buttons will light up only dimly.
• Check whether the main hoist is switched off and therefore secured
against unintentional operation.
– The lamp in button (1) should light up only dimly.
– Symbol (2) must be red.
• Press the button (1) once.
– The lamp in button (1) will light up brightly.
– Symbol (2) is green when the auxiliary hoist is switched on.
s
G
Risk of accidents when operating the auxiliary hoist
Read and observe all of the safety instructions in the section titled
Main hoist, p. 11 - 75 before operating the auxiliary hoist.
All safety instructions for the operation of the main hoist also apply to the
auxiliary hoist, along with the information in this section.
G
Risk of accidents due to a damaged hoist rope
If you reeve the auxiliary hoist rope in addition to the main hoist rope, make
sure the hoist ropes do not rub against each other and that the auxiliary
hoist rope does not touch the rotating flanged wheel of the main hoist dur-
ing subsequent operation.
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