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Thread: Removing, rebuilding, reinstalling Hydraulic Head

  1. #241
    Corporal
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    Have you had any luck with this?

    I got mine running - lift pump plug must have gotten oxidized or loose being knocked with the battery charger. Poor troubleshooting on my end.

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  3. #242
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    No, I pulled a muscle or something in my back & it was too painful to even move for a while, so no working on the truck last weekend. This weekend is Gator Nationals Weekend, so to miss all the crowds, I will be slumped over the fender again taking out the hydraulic head & lines. Listening to the drag racers do their runs all weekend while working on the Deuce should be relaxing.
    1985/87 M35A2C Wo/w Deuce x 2
    2011 M1102 Trailer (tan)
    2009 M1102 Trailer (camo)
    2009 M1102 Trailer (camo w/ hoops & cover)
    1989 M105A2 Trailers (7) - One tan & six camo w/ tops
    1987 M103A3 Kasel Genset Trailer
    1990 A/M32K-4A Air Launched Missle Trailer
    2005 M353 Trailer x 8
    1985 MEP-003A Genset
    1986 MEP-002A Genset (2)
    1974 MEP-016A Genset
    1968 MEP-025A Genset
    1984 MEP-701A Genset
    1996 Stewart & Stevenson M1081/M1082 Trailer
    1990 Marine 18 K A/C Unit (X4)
    MGPTS x 4 complete, tan & green!

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  5. #243
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    Strange that it won’t even fire with ether, regardless of HH it should fire. Make sure intake is not plugged, since it didn’t run when you got it private Pyle is suspect. Maybe rags in intake/turbo? Also verify that valves are moving.

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  7. #244
    4 Star General FloridaAKM's Avatar
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    Intake is not plugged, tried to remove the check valve coming out of the HH & going back to the tank as return. Spring is not broken, but check valve will not come out with a strong magnet that fits inside where spring rides. Cylinder valves are moving, but I might need to remove the covers to watch them all & check the lash. Injectors are next this weekend if Floridianson has some free time to look @ this beast.
    Last edited by FloridaAKM; 04-13-2019 at 08:34.
    1985/87 M35A2C Wo/w Deuce x 2
    2011 M1102 Trailer (tan)
    2009 M1102 Trailer (camo)
    2009 M1102 Trailer (camo w/ hoops & cover)
    1989 M105A2 Trailers (7) - One tan & six camo w/ tops
    1987 M103A3 Kasel Genset Trailer
    1990 A/M32K-4A Air Launched Missle Trailer
    2005 M353 Trailer x 8
    1985 MEP-003A Genset
    1986 MEP-002A Genset (2)
    1974 MEP-016A Genset
    1968 MEP-025A Genset
    1984 MEP-701A Genset
    1996 Stewart & Stevenson M1081/M1082 Trailer
    1990 Marine 18 K A/C Unit (X4)
    MGPTS x 4 complete, tan & green!

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    USAFSS-ColdWarrior (03-26-2019)

  9. #245
    4 Star General FloridaAKM's Avatar
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    Last week Floridianson came by & we hooked a known good injector to the #3 injector line. Spinning the engine produced no results with the new attached injector, removing the injector allowed fuel to pulse out, but with no pressure. Time for a rebuild on the injector pump? This past week we surmised that the check valve under the 12 point bolt was not doing its job, but I have always been told not to remove the plug. So, I removed the plug & the spring & sprayed carb cleaner into the bore & swabbed it out again.
    Using a cheap pair of HF needle nose pliers, the check valve could be grabbed inside the bore & pulled out with a sucking sound of diesel in a tight tolerence bore. It was quite stuck, but the carb cleaner freed it. There was no real gunk on the check valve or the bore, just that reddish brown thin coating that biodiesel leaves on the fuel system. Cleaned it all up & reassembled the parts, checked the engine for FOD, put the steel plate next the intake in case of a runaway if it started & jumped in the drivers seat to spin over the engine. The first spin over was like all others with no results after the starter dropped out. The second time the engine started popping & blowing smoke out the exhaust & continued to run raggedly. I let it idle @ 1000 rpm on the throttle control for about 10 minutes & the engine smoked thru the blowby road tube a lot, but it runs now. Changed the oil & filters, but still need to go thru the brakes before a road trip to shake her down. Thanks for all the comments & help guys. Thanks to Gimpy for the spare spring & button for the hydraulic head.
    1985/87 M35A2C Wo/w Deuce x 2
    2011 M1102 Trailer (tan)
    2009 M1102 Trailer (camo)
    2009 M1102 Trailer (camo w/ hoops & cover)
    1989 M105A2 Trailers (7) - One tan & six camo w/ tops
    1987 M103A3 Kasel Genset Trailer
    1990 A/M32K-4A Air Launched Missle Trailer
    2005 M353 Trailer x 8
    1985 MEP-003A Genset
    1986 MEP-002A Genset (2)
    1974 MEP-016A Genset
    1968 MEP-025A Genset
    1984 MEP-701A Genset
    1996 Stewart & Stevenson M1081/M1082 Trailer
    1990 Marine 18 K A/C Unit (X4)
    MGPTS x 4 complete, tan & green!

  10. The Following 2 Users Say Thank You to FloridaAKM For This Useful Post:

    marchplumber (04-13-2019), USAFSS-ColdWarrior (04-13-2019)

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