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Thread: Removing, rebuilding, reinstalling Hydraulic Head

  1. #11
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    Too bad it flopped. Have you tried some tape?

  2. #12
    4 Star General kennys@wi.rr.com's Avatar
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    I have an UPDATE. I talked with Gimp on the phone and believe it or not, I may have forgotten something. The shaft that actuates the fuel shut of has a small O ring on it. That shaft and O ring need to be in place before testing for leaks. I put that in and I am happy to report there is no more leak. Later I will get the injector lines back on and see if she will run.
    Rebuilding an HH

    1971 AMG Deuce Sold

    1985 AMG M923A1

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    4 Star General Tinwoodsman's Avatar
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    Too bad. You deserve a AAAA++++ for effort and documenting what you did.
    "If wishes were horses, beggars would ride"

    1942 GPW
    1942 Ben Hur Trailer

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    Another Ahab (09-29-2013)

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    2 Star General treeguy's Avatar
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    What is this HH you all speak of, is it that infamous bow tie/drive washer that I had split in my MEP-002? It looks like yours has split from a stuck (non rotating shaft) and the gearing forces the bow tie to spin so it shatters. I just filed a V groove into the crack and welded it together and filed it smooth....VOLLA! IMHO, real gutts to tackle the deuce IP, nice article, good luck!

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    4 Star General JDToumanian's Avatar
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    "HH" is the injector pump's "hydraulic head".... the round part on top that the injection lines come off of.

    The shaft that actuates the fuel shut of has a small O ring on it. That shaft and O ring need to be in place before testing for leaks. I put that in and I am happy to report there is no more leak.
    I suspected that was the problem too... Glad to hear it's so-far-so-good.

    Jon
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    1989 M985 HEMTT
    1970 XM818 Tractor
    1970 M274A5 Mule
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  9. #16
    4 Star General kennys@wi.rr.com's Avatar
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    Well I put it all back together. Then I went to try it and...... nothing. Then I let the batts. charge a bit more and hit it with a shot of ether. She fired right up. She runs great and no leaks to speak of. I will have to wait for the rain to stop before I can take it out for a victory lap, but the main thing is that she runs. And of course I get bragging rights for rebuilding the HH after being told it couldn't be done.
    Rebuilding an HH

    1971 AMG Deuce Sold

    1985 AMG M923A1

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  11. #17
    2 Star General treeguy's Avatar
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    Nice, I'm glad to hear that your bravery has payed off! I felt the same way with the MEP, but what the he.., give it a shot and see what happens.

  12. #18
    4 Star General dittle's Avatar
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    Now if you would have only done this work a week earlier you could have had a MV at poofstalk
    Dan

    1970 Kaiser Jeep M35A2 "Big Mother"
    - Hydraulic Winch
    - VIC-1 Intercom System
    - Convoy Lights
    - Interior Armor Light
    - 24 VDC - 12 VDC Converter w/ outlets
    1987 Turtle Mountain M105A2

  13. #19
    4 Star General dittle's Avatar
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    By the way, good job
    Dan

    1970 Kaiser Jeep M35A2 "Big Mother"
    - Hydraulic Winch
    - VIC-1 Intercom System
    - Convoy Lights
    - Interior Armor Light
    - 24 VDC - 12 VDC Converter w/ outlets
    1987 Turtle Mountain M105A2

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    4 Star General Tinwoodsman's Avatar
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    Looks forward to the test drive results. You have gone where no man has gone before.
    "If wishes were horses, beggars would ride"

    1942 GPW
    1942 Ben Hur Trailer

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