Malfunctions during crane operation
14.7 Hydraulic emergency operation as per DGUV
14 - 64 3 302 819 en Operating manual
GMK3060
13.12.2018
For crane operation
• Switch the valves 1 to 5 downward.
For lifting/
lowering
After establishing hydraulic circuits, switch one additional valve to continuous
operation.
Switching on continuous operation
Always switch only one valve to continuous
operation.
• Unscrew the cap (3), e.g. from the valve (1).
• Remove the plug (5).
• Screw the cap and pin (4) onto the valve –
continuous operation is switched on.
G
Danger from mutual interference of the power units!
For crane operation, always switch all the valves 1 to 5 down. This prevents the
power units suddenly starting to move.
1 Valve Y1104 – Lowering or
2 Valve Y1105 – Lifting
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