Specifications

116

7.5.3 Push-Pull couplings removal from the

boom valve

To disconnect the Push-Pull quick couplings from the valve

positioned on the boom head:

1. Perform points 1, 2, 3 and 4 of the procedure for removal

of the equipment from the vehicle, described in the

previous chapter.

2. If there is a closed-centre distributor installed on the

vehicle, perform the procedures described in the

“Hydraulic hose connections” to discharge the pressure

present in the hydraulic circuit.

3. Switch the vehicle oﬀ

4. Push the socket ring towards the vehicle boom (Fig. 7--

I0400, pos.1).

5. Pull the plug to remove it from the socket (Fig. 7--I0400,

pos.2).

6. Remove any dirt from the plug and socket.

7. Place the protection hood on the equipment hydraulic

plugs (Fig. 8--I0400).

8. Place the protection hood on the valve hydraulic

sockets (Fig. 9--I0400).

9. Carry out the same operations for both hoses.

10. Check that the hydraulic hoses are not entangled in the

tool-carrier plate or can be crushed by the equipment

when it is placed on the ground.

11. Proceed with the successive operations to remove the

equipment from the vehicle.

7- I0400

8- I0400

9- I0400