Crane operation
11.1 Before operating the crane
11 - 14 3 112 xxx en Operating Manual GMK6300L
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11.1.7 Locking/unlocking the turntable
If the truck crane is equipped with a turntable lock then you can manually
mechanically lock the turntable to the carrier.
Locking points The locking points are at 0° and 180°.
• If necessary, open the main menu and press the button (1) once.
The
Slewing gear/houselock submenu opens.
The display (1) will show the current superstructure position.
• Slew to locking point at 0° or 180°.
The display (1) shows positive and negative values. For an overview;
à p. 11 - 99.
(A) – Lock
• Release the lever (1) and press it up.
If the lever (1) cannot be moved upwards
then you must correct the position of the
superstructure.
(B) – Unlock
• Pull the lever (1) down and secure it in
position.
S
Risk of damage during slewing!
Always secure the lever when you have unlocked the turntable. Otherwise
the turntable might suddenly lock during slewing.
This prevents lateral forces from affecting the main boom due to long
delays or swinging loads.
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