Malfunctions during crane operation
14.7 Hydraulic emergency operation as per BGR 159
14 - 64 3 302 690 en Operating manual
GMK4100L-1
23.11.2017
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
various diameters.
• Switch off the hydraulic energy source.
• Attach the transformer (3) to the super-
structure.
• 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 connec-
tions (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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