[Tosh]

Im selling a 4040 housing but the old membrane is stuck in there. The plastic retaining rings are stuck, is there a unique way to remove these that are stuck in there preventing removal of the membrane?


TIA

Matt

[CleanClear]

Knock the black end caps in with a rubber mallet, or soft piece of wood so you don't damage them. That should give you space/clearance to pull out the white retaining rings.

[Tosh]

I've got the white retaining rings out. Its the black ‘caps’ that are left that are stuck.


Any ideas?

[matty72]

connect hose from tap, turn on, I think pressure would push end off maybe.

[CleanClear]

If you have an old radiator valve they are the same thread, it should screw in and be easier to push/pull/tug to get out. (the output side) , once that is out you can knock the other side though with a broom handle or such. That make sense ? I think Markm has a you tube vid showing how the old rad valve screws in, but i guess other types could screw in too.

[CleanClear]

Found it

https://www.youtube.com/watch?v=ska_S8IV7Q0

[Tosh]

Sorted, thanks Mike.