Manitowoc GROVE GMK3060

Crane operation
11.5 Crane operation with main boom
11 - 122 3 302 819 en Operating manual
GMK3060
13.12.2018
Switching on the
slewing gear
After the ignition is switched on, all of the power units will be switched off and the
lamps in the corresponding buttons will light up only dimly.
• Press the button (1) once.
– The lamp in button (1) will light up brightly.
– Symbol (2) is green if the slewing gear is switched on.
H
If an rigging mode has been entered for the operating position 0° to the rear or
Free-on-wheels, an RCL shutdown will occur after switching on the slewing gear,
and slewing will be disabled. To acknowledge the shutdown, you must either
switch off the slewing gear or set down the load and enter an rigging mode for the
360° working range.
Releasing the
slewing gear
brake
– With the Brake pedal function
The slewing gear brake is released when you switch on the slewing gear.
– With the control leverfunction
The slewing gear brake is released as soon as you move the control lever (2).
Lamp (1) will extinguish if the slewing gear brake has been released.
Engaging the
slewing gear
brake
– With the Brake pedal and the Control lever functions
The slewing gear brake is engaged when you switch off the slewing gear;
à p. 11 - 126.
– With the control leverfunction
The slewing gear brake will also be applied if the control lever (2) is in its initial
position.
The lamp (1) will light up if the slewing gear brake has been engaged.