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1966 Farmall 140

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joseph L

03-18-2008 21:51:19

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Can someone help me? I have had to replace the hydraulic pump seal 3 times in the past week. I belive the hydraulic fluid is getting hot. Any reason why this would happen. O I just replaced the hydraulic box and pump. THANKS FOR THE HELP

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1fortyfanatic

03-21-2008 21:16:11

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Re: 1966 Farmall 140 in reply to Bob M, 03-18-2008 21:51:19

joseph L said: (quoted from post at 04:15:57 03/22/08) Thanks for all the help!!

Today I ran the tractor all day without any problems. thanks again

Yeah, well, where are the pictures?? I like Pictures! Take care.

Dave

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1fortyfanatic

03-20-2008 11:12:18

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Re: 1966 Farmall 140 in reply to joseph L, 03-18-2008 21:51:19

Joseph, just visit the board occasionally and share what you've learned. I may need some 140 help before you know it, heheh. Good luck.

Dave

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1fortyfanatic

03-19-2008 12:12:10

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Re: 1966 Farmall 140 in reply to J Wilbur, 03-18-2008 21:51:19

Hugh MacKay said: (quoted from post at 16:06:57 03/19/08) Joseph: That kit is the key to your current problem. Once you install everything new inside adjustments have to be made to compansate for the change. Just no way to do it until it's back on tractor, and in the hands of the user.
It could be as simple as adjusting linkage going to a lever. Then there is more adjustment just under the edge of touch control unit, where linkage enters unit.

Joseph, Hugh here also saved me a lot of headache and money on a touch control unit overheating on my 140. Simple test, start the tractor cold, and lower the touch control to the full back position. Now open the fill plug on the top right side of the touch control unit. This is where the fluid level should be at the bottom of the fill plug. If you check and fill with the touch control in the full forward position, you will have the fluid about 1 inch to high, and in a sealed system, that's alot. The unit will overheat and possibly blow the safety plug out the front if it is overfilled. I know, I oil bathed the whole front end of my 140 this way. If I've got it backwards, Hugh will correct me.
But bottom line, with the unit cold, pull the fill plug and slowly raise and lower the implement. You'll notice that as you do so, the fluid level will rise and fall. You want the fluid to touch the bottom of the fill hole, when the fluid rises to it's highest level. Good luck!

Dave

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Hugh MacKay

03-19-2008 02:39:37

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Re: 1966 Farmall 140 in reply to joseph L, 03-18-2008 21:51:19

Joseph: You say new pump and box, by box do you mean the touch control unit? I presume you put a new kit in the unit, right or wrong?

You speak of heat buildup, and the most common reason for that to happen with these is stroke of hydraulic levers is not in sequence with stroke of rochshaft. If that hydraulic rockshaft reaches the end of it's stroke either direction, yet the lever is trying to force it further, that will create demand on the system and when demand occurs and it stays on demand your going to get heat.

To check this out, set your tractor at low idle and running. Move both hydraulic levers to center. The slowly move each lever, one at a time, to each end of it's stroke. Listen carefully for change in engine sound. If engine labors with either lever at either end of stroke, then lever is out of adjustment.

Dirt within the unit can also create demand, however that will not likely change as you move the levers. Do the above, then report back your findings. We'll nail this.

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Joseph L

03-19-2008 06:52:54

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Re: 1966 Farmall 140 in reply to Hugh MacKay, 03-19-2008 02:39:37

Sorry about that I am new to this tractor stuff. Yes sir it is the touch control box I had a local guy rebuild it. Thanks for the info, I will try that this afternoon and post results.
Thanks again.

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joseph L

03-19-2008 19:49:17

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Re: 1966 Farmall 140 in reply to Joseph L, 03-19-2008 06:52:54

This afternoon I tried what you guys told me. For one the levers were out of adjustment. And I had to much hydraulic fluid in the unit. Ran the tractor for a couple hours and everything ran good. Hydraulic pump got a little warm but not as hot as it use to. Hope it stays that way. I would love to restore this tractor it was my grandfathers. The first Tractor he bought after he got back from world war 2. Thanks for all the info. What do I owe you guys.

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mkirsch

03-20-2008 05:45:56

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Re: 1966 Farmall 140 in reply to joseph L, 03-19-2008 19:49:17

joseph,

There's a complete scanned version of the Touch Control service guide out on the web. I'll see if I can help out with the exact location.

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Hugh MacKay

03-19-2008 08:06:57

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Re: 1966 Farmall 140 in reply to Joseph L, 03-19-2008 06:52:54

Joseph: That kit is the key to your current problem. Once you install everything new inside adjustments have to be made to compansate for the change. Just no way to do it until it's back on tractor, and in the hands of the user.

It could be as simple as adjusting linkage going to a lever. Then there is more adjustment just under the edge of touch control unit, where linkage enters unit.

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joseph L

03-21-2008 20:15:57

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Re: 1966 Farmall 140 in reply to Hugh MacKay, 03-19-2008 08:06:57

Thanks for all the help!!
Today I ran the tractor all day without any problems. thanks again

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