Thanks for the reply. The lubrication story is worth trying. About the alignment: in the 404 there is no dowel 12b like in the 303 seperator. The second seperator is working again at the moment. In any case will keep you posted if there are any intresting developments.

Just a little bit more information on the alignment story. There are no locating dowel pins or guiding lines/marks. Which is very strange unless part 5 can be fitted in any position. This makes sense as Alfa Laval always marks its parts with pins or lines if they have to be fitted in a certain way t...

That's ring number 6 in your drawing.

Martin, Like we tould you the water supply is ok. One of the o-rings on the operating slide we flicked over ( rectangular one, wich in original position is hard to fit ) and we alligned the position of the holes in the operating slide and distributing ring lower. This did the trick this time but as ...

On board our ship we have two MMPX404 purifiers. After these purifiers have been dismantled/cleaned and assembled again they don't want to close the bowl when put in operation. All o-rings have been changed using an alfa laval service kit. After opening the bowl several times and removing/checking o...