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Componenti & Strumenti

Introduzione

This example is done on a MARCO P1/2-E but applies to any horn that needs an electric valve to operate. These valves need periodic cleaning due to dirt in the pressure system.

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  1. Use the socket wrench to rotate the valve. Use the socket wrench to rotate the valve.
    • Use the socket wrench to rotate the valve.

  2. Unscrew the fixing nut using the wrench. Don't lose the pieces:  put them in order in a safe place. A good example is a white sheet of paper. Don't lose the pieces:  put them in order in a safe place. A good example is a white sheet of paper.
    • Unscrew the fixing nut using the wrench.

    • Don't lose the pieces: put them in order in a safe place. A good example is a white sheet of paper.

  3. Remove the solenoid (the black plastic box). Carefully unscrew the head of the valve: it could be hard to remove due to the threadlocker. Use the Rib Jonit plier and apply a counterclockwise rotation on it.
    • Remove the solenoid (the black plastic box).

    • Carefully unscrew the head of the valve: it could be hard to remove due to the threadlocker.

    • Use the Rib Jonit plier and apply a counterclockwise rotation on it.

    • Finish the unscrewing by hand.

    • Don't lose the head: put it, again, in a safe place.

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  5. Gently tilt the whole thing and the spring and piston should exit the valve. Inspect them for cleanliness and put them in a safe place.
    • Gently tilt the whole thing and the spring and piston should exit the valve.

    • Inspect them for cleanliness and put them in a safe place.

  6. Blow in the valve with compressed air to clean it Blow on the piston and other pieces, if dirty, as well.
    • Blow in the valve with compressed air to clean it

    • Blow on the piston and other pieces, if dirty, as well.

  7. Place the piston, first. Then put the spring in the piston's hole.
    • Place the piston, first.

    • Then put the spring in the piston's hole.

  8. Put some threadlocker on the thread Don't exceed: you may permanently damage the device! Screw the head on the valve.
    • Put some threadlocker on the thread

    • Don't exceed: you may permanently damage the device!

    • Screw the head on the valve.

    • Use the plier to tighten valve's head: there's no need to tighten it too much.

  9. Insert the solenoid and put the washer on the top. Finally, screw the nut with the wrench. Set the valve back in place, using the wrench.
    • Insert the solenoid and put the washer on the top.

    • Finally, screw the nut with the wrench.

    • Set the valve back in place, using the wrench.

Conclusione

Keep your valves checked, if you want them to last longer!

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Marco Spa

Membro da: 04/12/2015

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