probst VZ-H-UNI-KV Instructions D'emploi page 44

Operation
5.1.3 Rock grippers
Rock grippers VZ-H-UNI-FG (41600160) for wall elements, rocks etc.
5.2 Device operation
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Connect the device (VZ-H-UNI) through the mechanical and hydraulically components with the
carrier (e.g. excavator or Probst Installation Machine VM-301, VM-X).
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The functions „opening and closing " at the device (VZ-H-UNI) will be operated with the valve gear
lever of the carrier.
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The motion „opening and closing" is standing as long as the valve gear lever is activated.
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The optimal cohesion will be reached if the valve gear lever, after the closing of the device, will be
hold approximate 2 seconds in the closed position.
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The cushioned valve gear lever must be lead back slowly in the starting point. Never let go the
valve gear lever spontaneous!
Because of the occurrence of pressure surges in the forward- and return flow. These could lead to
the bleeding of the tension force.
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Now open the device (VZ-H-UNI) with the valve gear lever of the support frame.
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The device (VZ-H-UNI) must be layed on always on in the middle the gripping good (kerb stone).
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Close the device (VZ-H-UNI) with the valve gear lever of the carrier.
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Lift the gripping good and transport it carefully to the destination.
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Lay the gripping good carefully to the gripping good, which is already layed on the destination. Now
open the device (VZ-H-UNI) with the valve gear lever at the carrier and lower the gripping good.
ATTENTION while laying-off operation of the gripping good. There is a risk of squeezing the
feet!!!
•
The device (VZ-H-UNI) is now for the next working process ready.
51600031-002 15 / 22 GB