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  1. #1
    Bronze Member
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    Terramite T5C

    Default Terramite cylinder disassembly

    We have a few questions for anyone that can help, and thanks in advance:
    We're starting rebuilding our T5C - one of the outriggers - because that has a leaking hydraulic line
    and is probably the best one to learn on.
    Got the cylinder off and lines out.

    1. Does the factory sell complete kits to rebuild all the cylinders on a T5C or are they ordered individually only?
    2. I got the steel retainer wire started out OK but didn't want to go further until I know if it comes out before or after the end retainer plate with the spanner holes
    3. This summer we took out the 3 pins on each outrigger, cleaned them good and greased well with new zerk fittings. Now - a few months later it took a LOT
    of heavy pounding to get one of the pins out. After cleaning up, can I use a coating of NeverSeize or is there a better lube that will keep the pins free?
    4. Is there some commercially available sleeve type material to put around the hoses where they rub against frame etc. to protect them. I see some old ones
    that look like canvas but large - for 3 or 4 hoses; pretty shot but still holding.

    Thanks again;

  2. #2
    Silver Member oldhippy's Avatar
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    junk

    Default Re: Terramite cylinder disassembly

    1 I am sure that the factory has the seal kits. Also Terramite made their stuff with off the shelf parts. If you have a hyd shop close they should have the seals and such. I rebuilt most cylinders on my machine. Even if you cylinders are not leaking on the outside they can still leak by worn out rings inside. I noticed a increase in power on my curl cylinder after rebuild.

    2 The spanner holes are to rotate and push out the wire. The end retainer plate is held in by only the wire in a groove.

    3 and 4 just don,t know when you are at hyd shop ask them about hose protection.

    To remove the nut on end of rod had to use a 400lb impact wrench as the 150lb one wouldn't do anything. All of this info in correct on my machine and I assume the same on all. big dan

  3. #3
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    Default Re: Terramite cylinder disassembly

    Big Dan

    Thanks very much for your help. Never realized it but you make a good point; why take the thing all apart and not replace the seals? If the outer one isn't leaking, maybe
    the inner one is. Come to think of it, I note somewhat less power in a couple digging functions than in ones I used to rent. Rebuilding them one at a time is probably the way to go.
    Impact wrench? Like garages use to take off lug nuts? Sorry, this is new . . .

  4. #4
    Silver Member oldhippy's Avatar
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    Default Re: Terramite cylinder disassembly

    Yeah like garages use. I use a air impact but it has to be a 400lb one. I had trouble with getting the outrigger cylinder of of terramite, couldn't get to the top bolt so rebuilt on tractor. If you have trouble getting the rod to come out of cylinder I started the machine and pushed the rod out with hyd stopping right before rod cleared the cylinder. big dan

  5. #5
    Bronze Member
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    Default Re: Terramite cylinder disassembly

    Quote Originally Posted by oldhippy View Post
    Yeah like garages use. I use a air impact but it has to be a 400lb one. I had trouble with getting the outrigger cylinder of of terramite, couldn't get to the top bolt so rebuilt on tractor. If you have trouble getting the rod to come out of cylinder I started the machine and pushed the rod out with hyd stopping right before rod cleared the cylinder. big dan
    Great idea; what are all the guys worrying about using compressed air to get the piston out and creating a dangerous projectile? Use the hyd and stop before it clears.
    Maybe a large wrench with a length of pipe added for a handle will be strong enough to loosen that nut. Buying an (expensive) air impact wrench is not in the cards right now.

  6. #6
    Silver Member oldhippy's Avatar
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    Default Re: Terramite cylinder disassembly

    The large wrench with pipe did not work for me, might for you. Some rental places have hand tools. Used to have trouble getting the compsateing nut off of the Harley shovel head and would take it to a local truck and they would get them to use the impact on it, Lots of luck with this big dan.

  7. #7
    Bronze Member
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    Default Re: Terramite cylinder disassembly

    Quote Originally Posted by oldhippy View Post
    The large wrench with pipe did not work for me, might for you. Some rental places have hand tools. Used to have trouble getting the compsateing nut off of the Harley shovel head and would take it to a local truck and they would get them to use the impact on it, Lots of luck with this big dan.
    Hey Big Dan one more question . . . When you connect up the cyl to the hyd hose, it's only necessary to connect the one hose on the push side right? I'm sure
    there could be some blow-by and leaking, but it's just to force the piston out, unless I'm missing something. Maybe need to cap the other end?

  8. #8
    Bronze Member
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    Default Re: Terramite cylinder disassembly

    So far, so good. The wire came out OK, the piston came out fine; the nut was on tight but the socket and breaker bar worked OK. All the seals look good to my (inexperienced) eye,
    but I'l bring the whole thing along to the shop when I go to get the hoses made. Once I had the nut off, I was able to remove the end plate and assembly; I can guess that the black seals
    on the outside would be OK to replace, but there's an ivory colored one on the inside that looks like it keeps the oil from coming out around the shaft; don't like the look of getting that
    out and a new one in there . . . Maybe that's one to be left alone - sort of a permanent thing?

  9. #9
    Silver Member firemanmike69's Avatar
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    Default

    At work and on my jobs on the side, anytime I open up a hydraulic cylinder all the seals get replaced in the cylinder, it's short money

  10. #10
    Bronze Member
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    Default Re: Terramite cylinder disassembly

    Quote Originally Posted by firemanmike69 View Post
    At work and on my jobs on the side, anytime I open up a hydraulic cylinder all the seals get replaced in the cylinder, it's short money
    I guess what I need to know is that what I'm seeing is a replaceable seal and not something else.

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