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Graco Magnum DX Spray problems

8207 Views 6 Replies 5 Participants Last post by  tsunamicontract
Just before I stored my spray away for awhile I was hearing my pump double pumping.

I had added 50ft hose on to my sprayer which already had a 25ft hose. So what I am trying to say is I have a 75ft hose and I was running water through it and it started double pumping, now it never did this before.

Is there something else going wrong with the internal parts or was this just a fluke.

The reason I am asking is because I just got a job that I have to use my sprayer.

Any help will be much appreciated.
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