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probst HVZ-LIGHT Instrucciones De Uso página 74

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Operation
5. a) Operation without hydraulic rotator
If there is no rotator between the HVZ an the support vehicle, the device still can be aligned to the stone layer,
because of the inclined position. The device has to be led to the stone layer until the steel-lamellas of the machine-
sided clamping jaw have contact with the side surface of the stone layer.
After doing so, the device will drop centriccaly on the stone layer, in such a way, that the steel-lamellas of the
machine-sided main clamping jaw still have contact with the stones or at least have a distance of 2 or less cm to the
stones.
5.
b) Operation with hydraulic rotator
If there is an rotator between the HVZ and the support vehicle the HVZ can routhly be aligned to the stone layer by
using the rotation function. The fine alignment then, can be easily made because of the inclined position. The device
has to be led to the stone layer until the steel-lamellas of the machine-sided clamping jaw have contact with the side
surface of the stone layer.
After doing so, the device will drop centriccaly on the stone layer, in such a way, that the steel-lamellas of the
machine-sided main clamping jaw still have contact with the stones or at least have a distance of 2 or less cm to the
stones.
6. Before lifting the paving layer with the support vehicle, move the support point 5 – 10 cm in direction of the
laying side main gripper either using the boom (excavator) or driving the installation machine. Afterwards the
paving layer can be lifted vertically.
7. Transport the paving layer to the laying position swinging the boom (excavator) or driving the installation
machine.
8. Place the paving layer 5 cm in direction to the open laying ground until the rollers touch the already laid
paving stones.
9. Move the paving layer diagonally to the corner of the laying edge and take care of the correct connection to
the already laid paving stones.
10. Set the paving layer down until the support chains sag lightly.
11. Open the main grippers for 2 seconds. At first the hydraulic cylinder of the pushing off device will retract and
the first row of paving stones will obtain the accumulated elastic force. The opening sequence of the main
clamping happens after the complete extension of the ADV cylinder and the paving layer is laid in the grade.
The paving stones are pressed down from the ADV bar.
12. Move the support point 5 – 10 cm in direction of the facing bedding sand side main clamping.
13. When you lift the HVZ-UNI it will swing automatically in direction of the facing bedding sand (facing bedding
sand side main clamping), away from the already laid paving stones. So it is possible to lift the HVZ without
removing paving stones of the front row.
14. Open the main clamping completely and close it immediately for 1 seconds while moving the installation
machine to the next paving layer. The closing sequence of the main clamping causes the hydraulic cylinder
of the ADV to extend and the spring pack is loaded.
15. The installation clamp HVZ is ready for the next laying cycle.
51400035
29 / 35
GB

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