Crane operation
11.5 Crane operation with main boom
11 - 86 3 302 690 en Operating manual
GMK4100L-1
23.11.2017
Raising and
lowering
You can adjust the sensitivity of the control levers to suit the operating con-
ditions;
à Setting the characteristic curves for the control levers, p. 11 - 129.
You can regulate the speed by moving the control lever and changing the
engine speed with the accelerator.
H
The maximum derricking speed will automatically be reduced as the system
length is increased. If you now reduce the working radius (for example,
by retracting the telescoping), the derricking speed will automatically be
increased again.
If when the main boom is being set down a symbol (1) is displayed:
• Correct the position of the slewable spotlights until the symbol (1) goes
out;
à p. 11 - 130
You can switch on high-speed mode for a higher speed;
à p. 11 - 113.
G
Risk of accident due to unexpected crane movements!
If assigned more than one function, check whether the
Derricking control
lever function is switched on before you move the control lever for
derricking.
This prevents accidents due to unexpected crane movements.
Lowering: Push the control lever to the right – the main boom is lowered.
Raising: Push the control lever to the left – the main boom is raised.
S
Risk of damage to the slewable spotlights!
Make allowances for the position of the slewable spotlights before setting
down the main boom.
This is prevent a collision between the working spotlights and the engine
cover.
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