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Introducción

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.

Manufacturer Website

  1. How to Clean an Electric Valve for Air Horns, Rotate the valve to have easier access: paso 1, imagen 1 de 2 How to Clean an Electric Valve for Air Horns, Rotate the valve to have easier access: paso 1, imagen 2 de 2
    • Use the socket wrench to rotate the valve.

  2. How to Clean an Electric Valve for Air Horns, Unscrew the fixing nut: paso 2, imagen 1 de 3 How to Clean an Electric Valve for Air Horns, Unscrew the fixing nut: paso 2, imagen 2 de 3 How to Clean an Electric Valve for Air Horns, Unscrew the fixing nut: paso 2, imagen 3 de 3
    • 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. How to Clean an Electric Valve for Air Horns, Unscrew the head of the valve: paso 3, imagen 1 de 3 How to Clean an Electric Valve for Air Horns, Unscrew the head of the valve: paso 3, imagen 2 de 3 How to Clean an Electric Valve for Air Horns, Unscrew the head of the valve: paso 3, imagen 3 de 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.

    • Finish the unscrewing by hand.

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

  4. How to Clean an Electric Valve for Air Horns, Remove piston and spring: paso 4, imagen 1 de 2 How to Clean an Electric Valve for Air Horns, Remove piston and spring: paso 4, imagen 2 de 2
    • 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.

  5. How to Clean an Electric Valve for Air Horns, Use compressed air to clean the valve: paso 5, imagen 1 de 2 How to Clean an Electric Valve for Air Horns, Use compressed air to clean the valve: paso 5, imagen 2 de 2
    • Blow in the valve with compressed air to clean it

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

  6. How to Clean an Electric Valve for Air Horns, Reassemble the valve: paso 6, imagen 1 de 2 How to Clean an Electric Valve for Air Horns, Reassemble the valve: paso 6, imagen 2 de 2
    • Place the piston, first.

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

  7. How to Clean an Electric Valve for Air Horns, Insert the head of the valve: paso 7, imagen 1 de 3 How to Clean an Electric Valve for Air Horns, Insert the head of the valve: paso 7, imagen 2 de 3 How to Clean an Electric Valve for Air Horns, Insert the head of the valve: paso 7, imagen 3 de 3
    • 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.

  8. How to Clean an Electric Valve for Air Horns, Finish the job: paso 8, imagen 1 de 3 How to Clean an Electric Valve for Air Horns, Finish the job: paso 8, imagen 2 de 3 How to Clean an Electric Valve for Air Horns, Finish the job: paso 8, imagen 3 de 3
    • 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.

Conclusión

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

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