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Self-priming automatic electric pumps with helical gears, produced by Marco.

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The pump keeps turning on every few minutes and runs for 6 seconds

The pump turns on every minute and runs for 6 seconds without any draw of water from the system.

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Limpiar válvula retención de la descarga

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If you have a way to check the pressure on your system after the pump, you may find that you have a leakage somewhere: this would continuously activate the pump, as soon as the pressure goes under a certain threshold. Have you checked it?

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Si esto sucede es que pierde el circuito la presión, si anteriormente no lo hacia es que haya u retroceso de liquido en la descarga de la bomba, limpie la válvula de retención de la salida.

Ruego informen tutorial para desmontar la válvula

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EN -----------

There's no way to "service" (removing and refitting) the valve without breaking it, because it's mechanically locked in place.

If the pump has trouble stopping and the plumbing of the system is ok, the second thing to check is if there's dirt in the check valve, and cleaning it can be tricky, but not impossible.. it depends on the type of debris that is stuck in the valve and how it's entagled with it.

To clean the check valve, remove the top plate from the pump, remove the gears and everything from the pump's inlet (filter, etc..). By looking into the pump from the inlet hole, you should see a white dome: that's the check valve. You can clean it with compressed air/water but be gentle: it's not designed to whitstand a lot of force. If needed, you could also try with a toothpick.

ES -----------------

No hay forma de "reparar" (retirar y volver a colocar) la válvula sin romperla, porque está bloqueada mecánicamente en su lugar.

Si la bomba tiene problemas para detenerse y la tubería del sistema está bien, lo segundo que debe verificar es si hay suciedad en la válvula de retención, y limpiarla puede ser complicado, pero no imposible... depende del tipo de desechos que haya. atascado en la válvula y cómo está enredado con ella.

Para limpiar la válvula de retención, retire la placa superior de la bomba, retire los engranajes y todo lo que se encuentra en la entrada de la bomba (filtro, etc.). Al mirar dentro de la bomba desde el orificio de entrada, debería ver un domo blanco: esa es la válvula de retención. Puede limpiarlo con aire/agua comprimido, pero tenga cuidado: no está diseñado para soportar mucha fuerza. Si es necesario, también puedes probar con un palillo.

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