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Fordson dexta

hydraulic probs -HELP!!

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rose

07-06-2002 23:52:23




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Got a dexta early 60's model. Hydraulics were OK but have gradually dropped the lift level to the point they will only lift my slasher about 6-8inches. Had the old boy do an oil change and the arms lifted full height first go. Climbed aboard to play and found they had gone back to lifting 6-8 inches. Used good quality trans/hydro oil. Buggered if I know what to do next. Am I supposed to bleed this system somehow - if not, any suggestions would be greatly appreciated.

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Randy

07-11-2002 06:03:08




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 Re: Fordson dexta - hydraulic probs -HELP!! in reply to rose, 07-06-2002 23:52:23  
Folks: I've been told that 80 weight gear oil is about the same viscosity as 30 weight motor oil. They are measured differently. If you look on the Massey board, you'll find Big Dean talking about how hydraulic lifts wouldn't work in hot weather if they were filled with trans/hydro fluid. They need 80 weight GL-1 type gear oil. I'm sure it would apply to yours too, even though not a Massey.



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Burrhead

07-07-2002 11:06:28




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 Re: Fordson dexta - hydraulic probs -HELP!! in reply to rose, 07-06-2002 23:52:23  
The hydraulic oil is too thin for a Dexta. It should have 50W to 90W in it.

I'm in a hot climate so I run 90-140 gear oil year round. My book calls for 80W gear oil.



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Lane

07-08-2002 09:35:54




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 Re: Re: Fordson dexta - hydraulic probs -HELP!! in reply to Burrhead, 07-07-2002 11:06:28  
90W? My Dexta manual states 30W when above 80F. Anything below 80F, use 20W.



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Burrhead

07-08-2002 11:32:24




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 Re: Re: Re: Fordson dexta - hydraulic probs -HELP!! in reply to Lane, 07-08-2002 09:35:54  
Mine says 80 and 50.

I think it was Oscar's book that shows 50 and 30.

Between I&T, Haynes, and Ford manuals somebody did'nt have there stuff together.

I know they will work with 50W but I never tried 30. I have seen hydro oil in them and they would'nt lift anything but bare arms.



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Burrhead-PS

07-09-2002 19:13:12




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 Re: Re: Re: Re: Fordson dexta - hydraulic probs -HELP!! in reply to Burrhead, 07-08-2002 11:32:24  
I went and checked Oscar's manual. It shows 90W also.



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Packerfreak2623

08-27-2002 20:03:55




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 Re: Re: Re: Re: Re: Fordson dexta - hydraulic probs -HELP!! in reply to Burrhead-PS, 07-09-2002 19:13:12  
Ok all,
I dont know squat so that's why I'm here. I have the Ford I & T Manual and the Operator's Manuals and they both tell me to use 30 SAE HD when above 20 deg F. and 20 SAE HD when below 20 deg F. in the Gearbox and the Rear Transmission (this I assume is for the Hyd Lift?).

For the Engine, I am told to 30 SAE HD above 90 deg F.; 20 SAE HD from 20 to 90 deg F.; and 10 SAE HD for below 20 deg F. Since I live in North Texas, 20 to 30 is my target according to these books, but seeing your posts I'm not so sure. My wife and I are about to begin tackling our 1960 Dexta this winter, and I want to be sure I'm using the right stuff.

My first concern is the Engine, as I need to change the oil and filter this weekend so that I can get some work done prior to winter and the teardown/re-build. What oil should I use in the Engine? Do any of you have alternate filter #'s than the Ford # I have (6731)?

I would also be interested in this Oscar reference manual and any others that you have found helpful. Thanks for indulging my simple questions, and I look forward to your responses.

Packerfreak2623

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