Crane operation
11.1 Before operating the crane
Operating manual 3 302 736 en 11 - 15
GMK4090
xx.xx.xxxx
Locking the
turntable
The superstructure needs to be at one of the locking points (0° or 180°).
• Select the symbol (5).
• Press the button until the symbol (4) is dis-
played –
Turntable locked.
The display changes from symbol (1) to sym-
bol (2) and shows symbol (6) when the turnta-
ble is locked. The symbol (7) disappears.
If the error symbol (3) is displayed, contact
Manitowoc Crane Care.
Unlocking the
turntable
The RCL shutdown procedure will be triggered and slewing disabled if you
unlock the turntable during a rigging mode for 0° to the rear has been
entered. To acknowledge the shutdown procedure, you must either lock the
turntable or set down the load and enter a rigging mode for a working range
of 360°.
• Select the symbol (5).
• Press the button until the symbol (4) is dis-
played –
Turntable unlocked.
The display changes from symbol (1) to sym-
bol (2) and shows symbol (6) when the turnta-
ble is unlocked. The (7) symbol is displayed.
If the error symbol (3) is displayed, contact
Manitowoc Crane Care.
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