Manitowoc GROVE GMK3060

Crane operation
11.5 Crane operation with main boom
Operating manual 3 302 819 en 11 - 105
GMK3060
13.12.2018
The distance between the hook block and the boom head changes during tele-
scoping. 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 telescopic extension on the right-hand side
– With telescopic extension on the left-hand side
Telescoping will only start if the 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, e.g when you
leave the telescoping lengths or when the working range limit has been reached;
à RCL shutdown, p. 11 - 61.
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.