1. Welcome to PlowSite. Notice a fresh look and new features? It’s now easier to share photos and videos, find popular topics fast, and enjoy expanded user profiles. If you have any questions, click HELP at the top or bottom of any page, or send an email to help@plowsite.com. We welcome your feedback.

    Dismiss Notice

E-47 wont hold angle

Discussion in 'Meyer / Diamond Products Discussion' started by brunosplace, Dec 18, 2007.

  1. brunosplace

    brunosplace Senior Member
    Messages: 282

    I bought this pump as a fresh reman, to have as a spare, it sat on the shelf for 18 months. When I put it to work the first thing I noticed was it is slower than my other pump, but it worked fine otherwise.

    After plowing for the next ten hours it now lets the blade angle to whatever side has more of a load on it. It wont hold the angle on either side. You can push the blade by hand to turn it. The pump will still turn the blade to whatever side you want, it just wont hold it there.

    I thought it might be caused by air in the system, so I did everything to bleed it out, still has the problem, checked & cleaned the C-valve, still does it, replaced the C-valve with one from another pump, still did it but was harder to push the blade over.

    Any ideas? I am stumped on it now.
     
  2. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    Sound's like you covered most of the basic things that can cause a problem such as this...

    The only thing left that will cause this problem is a defective crossover relief valve..

    Either it was improperly assembled (as the crossover valves in these Meyer pumps are very easy to assemble incorrectly)
    There are 9 pieces and 4 O-rings that make up the cross over assembly (not counting the cover nut) and it's not too hard to damage the O-rings or install one of the components wrong which will definitely affect the angle holding capability of the plow...

    Or the spring in the cross over is either broken or not set to specs..
     
  3. brunosplace

    brunosplace Senior Member
    Messages: 282

    B&B, Thank you,

    Earlier tonight I decided to take a gamble and tore the crossover apart and low and behold I found pieces of its o-rings lodged inside of it, I just reassembled it and just need to test it now.
     
  4. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    Good deal Bruno... did you also remove the actual valve seat from the bottom of the cavity? Meyer call's it a "cage"...Many guys don't know this part also needs to be removed as theirs 2 more O-rings under it also.... just checking..
     
  5. brunosplace

    brunosplace Senior Member
    Messages: 282

    Yes, I pulled the whole thing out, the o-ring pieces were lodged in the cage part of it. As part of my gamble I bought the rebuild kit for it earlier today. So I had the parts on hand when I tore it apart.
     
  6. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    Sound's like your "gamble" paid off then... or at least we think so until you actually get to try it out...:bluebounc
     
  7. brunosplace

    brunosplace Senior Member
    Messages: 282

    I will find out in the morning, as I have to test it and the other two units, one the C valve failed and it would only angle to the left, and the other the A valve would stick when at full lift so it wouldn't drop.
     
  8. brunosplace

    brunosplace Senior Member
    Messages: 282

    Just a quick update, After replacing the crossover and getting all of the o-ring pieces out of it, it works great. And all three units are fully functional again.
     
  9. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    Glad to hear they're working good!

    For future reference, you can use the newer style one piece cross overs that Meyer now uses in the older pumps. Makes assembly and replacement a lot easier..:nod:
     
  10. BBChevy

    BBChevy Junior Member
    Messages: 21

    Crossover Spring?

    B&B,
    Do you have a Part # on the Crossover?As,disscussed in my Thread,i also have Issues in the Crossover Dept.?
    THANKS
    Greg
     
  11. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    Meyer p/n 15974

    Angelos has the best price on them so far.
     
  12. fedspunisher

    fedspunisher Member
    from Iowa
    Messages: 89

    with the 15606 which is 1/3 the price will i need anything special to do the replacement myself?
     
  13. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    Just a pick/hook tool of some sort to remove the O-rings and the bottom seat section.

    As well as a pressure gage that reads to at least 4000 PSI to properly set the cross over relief pressure once it's re-assembled.
     
  14. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992


    A step often skipped that can cause problems. If it's too high it won't relieve properly and the unit will eat C valves, if it's to low the plow won't hold angle.
     
  15. fedspunisher

    fedspunisher Member
    from Iowa
    Messages: 89

    Can you explain how you adjust it?
     
  16. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

  17. fedspunisher

    fedspunisher Member
    from Iowa
    Messages: 89

    Thanks!!!!
     
  18. fedspunisher

    fedspunisher Member
    from Iowa
    Messages: 89

    Sorry for all the questions. I have the 15456 (Master Seal Kit) Everything seems to work fine so i never installed it yet. Everything except the cross over valve. Does thils kit have what i need to repair this problem or do i still need to purchase the 15606?
     
  19. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    The master seal kit only includes the necessary seals and O-rings for the power unit and for the crossover. If you replacing the hard part components that make up the cross over assembly, you'll still need to purchase those separately which are what make up the 15606 kit.
     
  20. fedspunisher

    fedspunisher Member
    from Iowa
    Messages: 89

    Is there a chance that its just an oring thats bad and not the hard parts?