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Racor-fiter - Hvilken funksjon har gummiball?


Lazyjack

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Hulda skrev for 3 timer siden:

Ballen vil ikke ligge i bunnen om det er vann i filterbollen. Den vil flyte i sjiktet mellom vann og diesel.

 

Tror det er skivebom Hulda :confused:  Slik jeg har fått forklart denne kula så er funksjonen til kula som følgende:

»The first misunderstanding about fuel filters revolves around the ball. Many believe the ball serves as a check valve to keep water from going up into the filter element. As the theory goes, the ball is plastic and floats, blocking water. In fact, the ball is aluminum, doesn’t float, and has nothing to do with water.
The engineers put it there to prevent fuel from draining out of the filter and back into the supply line when the engine is shut off. The flow of fuel back toward the tank pushes the ball into a seat, acting as a check valve to stop the flow. In some applications, such as when the filter has been installed below the tank pick up, this back flow would not be a concern. But in many applications the filter can be at the high point, and fuel running back to the tank can easily lead to a loss of prime.»

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