Malfunctions during crane operation
14.7 Hydraulic emergency operation as per BGR 159
Operating manual 3 302 736 en 14 - 63
GMK4090
xx.xx.xxxx
14.7.6 Connecting/removing transformer – for external energy source
The external energy source can be provided by a vehicle with hydraulic
emergency operation according to BGR 159 or by an external, hydraulic
energy source that meets the requirements of hydraulic emergency opera-
tion according to BGR 159.
Connecting
The hoses are assigned according to the vari-
ous diameters.
• Switch off the hydraulic energy source.
• Attach the transformer (3) to the superstruc-
ture.
• Connect the hoses (2) to the connections (1).
• Connect the hoses (4) to the supplying
energy source.
• Switch on the hydraulic energy source.
Removing
• Switch off the hydraulic energy source.
• Remove the hoses (2) from the
connections (1).
• Remove the hoses (4) from the supplying
energy source.
• Remove the transformer (3).
• Close off the hoses and connections with the
caps.
S
Risk of damage to the hoses
Lay the hoses in such a manner that they can be moved freely, so as to pre-
vent them being crushed or torn or becoming caught during subsequent
crane movements.
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