How To Change Diaphragm, Air Accumulator, Check Valves on AR30 / D30 Diaphragm type pumps 

Thanks buddy I am about to change my bladders out too. Do I have to fill the air diaphragm with air before washing again? Brian

I'm not getting any pressure on my pump. I just installed it. Do i need to add air into the accumulator? I tried all 4 settings on the unloader. I saw a very slight increase when i was on setting 4. Any ideas,?

How full do you put your site glass for the oil?