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fisher wont hold right angle

Discussion in 'Fisher Engineering Discussion' started by eastcoastcolt, Feb 10, 2016.

  1. eastcoastcolt

    eastcoastcolt Junior Member
    Messages: 2

    fisher mm1 with sehp wont hold the angle right. took the crossover relief out and other than very slight rust up towards the threads i see nothing wrong with it. replaced the orings and reseated the stem as per the manual and it will bypass quite easily. any information would be greatly appreciated.
     
  2. JustJeff

    JustJeff 2000 Club Member
    Messages: 2,061

    Deleted. Sorry, I answered your question without reading the whole thing. I was going to suggest a bad seal on the left angle cylinder.
     
  3. kimber750

    kimber750 PlowSite Veteran
    Messages: 3,691

    That pump should have two crossover valves. Also inspect poppet valve.
     
  4. eastcoastcolt

    eastcoastcolt Junior Member
    Messages: 2

    the diagram shows what looks like 2 poppet valves. which one should i be looking at?