Crane operation
11.5 Crane operation with main boom
Operating manual 3 302 709 en 11 - 99
GMK5150L
12.01.2018
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 config-
uration.
– 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.