Malfunctions during crane operation
14.7 Hydraulic emergency operation as per DGUV
Operating manual 3 302 819 en 14 - 65
GMK3060
13.12.2018
Switching off continuous operation
• Unscrew the cap (3) from the actuated
valves (1), (2).
• Screw the cap on so that the pin (4) can be
seen.
• Insert the plug (5).
For slewing After switching over the valves behind the crane cab, you must also close other
valves.
(A) – Emergency operation position
• Close the valves 6, 7 and 8 – lever (1) at right
angles to the line.
(B) – Crane operation position
• Open the valves 6, 7 and 8 – lever (1) parallel
to the line.
S
Danger due to falling loads!
Switch off continuous operation immediately after emergency activation.
Check whether the pins can be seen on both caps.
This prevent loads falling down immediately after lifting in subsequent crane
operation.
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