Return diesel pipe to tank

[Pagetslady]

Can anybody tell me why the return diesel pipe go down to the bottom of the tank is this really necessary.
Mike

 

[pvb]

Normally recommended to minimise foaming, aeration, etc.

 

[NormanS]

Mine don't.

 

[prv]

Mine don't.

Nor does mine.

As pvb says, it's to minimise foaming as the diesel pours into the tank, but only needed on larger engines that throw loads of it back.

Pete

 

[rivonia]

Mine goes in the top?

Peter

 

[elioti]

perkins 4236 , mine goes to the top too.

 

[David2452]

Mine goes in the top?

Peter

I think lots go in the top but then have a tube in the tank going further down, just like the pick up