Malfunctions during crane operation
14.6 Hydraulic emergency operation with the hand pump
Operating manual 3 302 819 en 14 - 55
GMK3060
13.12.2018
Switching off continuous operation
• Unscrew the cap (3) from the actuated
valve (1), (2).
• Screw the cap on so that the pin (4) can be
seen.
• Insert the plug (5).
14.6.4 Performing emergency activation
If the required hydraulic circuit has been estab-
lished, you can make the corresponding crane
movement using the hand pump (1).
• Insert the lever (2) provided into the holder at
the hand pump lever.
• Pump with the lever – the corresponding crane
movement is performed.
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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