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Sluggish Hydraulics

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Louis Torrans

09-29-2002 09:51:27

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My little '63 D-10 has a problem with either weak or just plain lifeless hydraulics after about an hour, give or take depending on work. Basicly, all we do is run a box blade to drag our roads and maybe push some brush. The tractor will raise the box blade pretty well until it seems like the tranmision oil warms up or something. I did a full service this spring. Drained oil from every plug in the service manual and went back with oil as the manual advised. Changed all the filters too. Still, the problem is there. Talked to an older man about his Ford and he says his does the same thing. Is this just normal or is the pump getting too much wear to pump warm oil...what's going on?

Much Obliged!
Louis Torrans

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John W.

09-29-2002 21:30:04

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 Re: Sluggish Hydraulics in reply to Louis Torrans, 09-29-2002 09:51:27  
Louis; Could be a couple of things. Are you absolutely sure you are using the correct type of fluid? Depending on the year, it could use Hy-trans or stright hyd. fluid. The other possibles require removing the pump. Once done, check the pump inlet for restriction, I once found part of a shop rag in the inlet of a D-14. After so long it would get sucked up by the pump a block the inlet causing the hyd. to work very slowly or not at all. Then check the pump for worn gears or worse yet, a badly worn or corroded pump housing. Good Luck. John W.

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Louis Torrans

09-30-2002 17:27:35

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 Re: Re: Sluggish Hydraulics in reply to John W., 09-29-2002 21:30:04  
Thanks John! I'm going by the AC service manual on the oil but I'll check it through again. Your idea about pickup blockage may be a good place to look for trouble so I guess the pump is going to come off and check all that out.

Much Obliged!
Louis Torrans

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