Malfunctions during crane operation
14.6 Hydraulic emergency operation
14 - 72 3 112 xxx en Operating Manual GMK6300L
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For slewing After switching over the valves behind the crane cab, you must additionally
close one valve on the slewing gears.
(A) – Emergency operation position
• Close the valve 6 – lever (1) across the pipe.
(B) – Crane operation position
• Open the valve 6 – lever (1) parallel to the
pipe.