Manitowoc Grove GMK 4100L-1, Operating Manual

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Crane operation
11.5 Crane operation with main boom
Operating manual 3 302 690 en 11 - 99
GMK4100L-1
2
3
.1
1.
201
7
The distance between the hook block and the boom head changes during
telescoping. Ensure that the hook block does not trigger the lifting limit
switch or touch the ground.
•
Additionally carry out the following movements
–
Lower hoist
when extending and
– the
Raise hoist
movement when retracting.
The control lever movements for telescoping vary depending on the
configuration.
– With telescoping assigned to the right-hand lever
– With telescoping assigned to the left-hand lever
Telescoping will only start if arrow ( 1 ) or ( 2 ) for the selected telescoping
direction is green .
You can regulate the speed by moving the control lever and changing the
engine speed with the accelerator.
H
With certain telescoping states, the RCL will switch telescoping off, for
example, when you leave the telescoping lengths or when the working
range limit has been reached;
à
RCL shutdown , p. 11 - 57.
s
To extend:
•
Push the control lever to the right.
To retract:
•
Push the control lever to the left.
To extend:
•
Push the control lever forwards.
To retract:
•
Pull the control lever backwards.