Crane operation
11.3 Crane operation with main boom
Operating Manual GMK6300L 3 112 xxx en 11 - 75
xx.xx.xxxx
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
–
Lift hoist 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) for the selected telescoping direction
is green.
If the arrow is red, extension operations are disabled in the indicated direc-
tion. This may have different causes, e.g. the telescopic section being in
final position, a lifting limit switch shutdown, a malfunction etc.
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, e.g.
when you leave the telescoping lengths or when the working range limit has
been reached;
à RCL shutdown, p. 11 - 37.
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.
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