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Farmall C no hydraulics
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- 5+ Years
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- Joined: Tue Feb 23, 2016 10:15 pm
- Zip Code: 35951
Farmall C no hydraulics
Hi I have a Farmall C that when you move the levers nothing happens. There is nothing hooked to the rockshafts, but shouldn't they move up and down if the tractor is running? Ive never fooled with a C before so not sure what to check first. I bought it from a guy and he said it has sat for about 5 years, so maybe that has something to do with it? It is full of fluid....Thanks
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- 10+ Years
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- Location: Rochester, NY
Re: Farmall C no hydraulics
Yes the arms should move when you move the levers.
Try leaving the fill plug out and moving the levers slowly back and forth several times. The pump may have lost prime.
If that doesn't work, try pressurizing the reservoir. This may help to work the air bubble out of the pump.
The next easiest thing to do is pull the hydraulic pump and make sure the drive gear is installed correctly and turning the pump. Sometimes these can come loose and fall off, but usually you hear some sickening noises from the engine when this happens. May as well put new orings and seals in the pump while you have it apart.
After that there's got to be something wrong in the touch control unit itself. The Touch Control service manual is linked on this site under Rudi's Manuals above.
Try leaving the fill plug out and moving the levers slowly back and forth several times. The pump may have lost prime.
If that doesn't work, try pressurizing the reservoir. This may help to work the air bubble out of the pump.
The next easiest thing to do is pull the hydraulic pump and make sure the drive gear is installed correctly and turning the pump. Sometimes these can come loose and fall off, but usually you hear some sickening noises from the engine when this happens. May as well put new orings and seals in the pump while you have it apart.
After that there's got to be something wrong in the touch control unit itself. The Touch Control service manual is linked on this site under Rudi's Manuals above.
- 64/67lo-boy
- 10+ Years
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48 cub
67 loboy
52 super c
74 cub 154
50 c - Circle of Safety: Y
- Location: Virginia Beach
Re: Farmall C no hydraulics
here is what I have found in the past. These are pictures of the cam gear that drives the hydrolic pump. you can see what can happen.
good onePete from Virginia Beach
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- 5+ Years
- Posts: 8
- Joined: Tue Feb 23, 2016 10:15 pm
- Zip Code: 35951
Re: Farmall C no hydraulics
Ok I may just get the orings and seals on the way in case I have to pull it apart. Any place that's better quality to get it from? Or just try to find it cheap somewhere? Thanks
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Re: Farmall C no hydraulics
Here's a link to Messick's website: http://www.messicks.com/cas/56559 You'll need to click on "hydraulic system" and then find the pump or block you want to rebuild. The sizes of the o-rings are listed and should be available at an auto parts store, hydraulic repair shop, or online from somewhere like McMaster-Carr.
Bob
Bob
"We don't need to think more,
we need to think differently."
-Albert Einstein
we need to think differently."
-Albert Einstein
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- 10+ Years
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- Joined: Tue Jun 08, 2004 3:04 pm
- Zip Code: 14559
- Circle of Safety: Y
- Location: Rochester, NY
Re: Farmall C no hydraulics
Keep in mind that there are two different pumps used on the Super C: Thompson and Cessna. you have to figure out which one you have before you order parts.I don't know off the top of my head but I've seen it discussed in online forums many times.
- 64/67lo-boy
- 10+ Years
- Posts: 383
- Joined: Sun Nov 23, 2008 2:46 pm
- Zip Code: 23453
- Tractors Owned: .
48 cub
67 loboy
52 super c
74 cub 154
50 c - Circle of Safety: Y
- Location: Virginia Beach
Re: Farmall C no hydraulics
Matt I thought the other pump was Pesco. that is what it shows in my SC parts manual. not sure what year his C is. it also lists the Thompson in the manual and I think Steiner has a kit that covers both pumps. im not absolutly sure on the kit info.
Pete from Virginia Beach
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- 5+ Years
- Posts: 8
- Joined: Tue Feb 23, 2016 10:15 pm
- Zip Code: 35951
Re: Farmall C no hydraulics
Well i took the flange that holds the two metal pipes to the pump, and they have no oil in them. What is the best way to prime the pump? The oil level is just below the filler plug. If I pull the pipe off the pump and turn the engine by hand, will it put suction if I put my finger over the hole? And the serial number is 73669 so I'm assuming its a 1951 model???
- John *.?-!.* cub owner
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Re: Farmall C no hydraulics
Squirt some oil in the hole that connects to the larger pipe (intake) to lubricate the pump. It should then provide suction on that side and pressure on the hole that connects to the smaller pipe when you hand crank or spin with the starter.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
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- 5+ Years
- Posts: 8
- Joined: Tue Feb 23, 2016 10:15 pm
- Zip Code: 35951
Re: Farmall C no hydraulics
Thanks ill try that. I dont have a hand crank yet, and my starter is toast so my starter shop ordered me a new one so ill have to wait till i get that put back on
- John *.?-!.* cub owner
- Cub Pro
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Re: Farmall C no hydraulics
since you already have the lines off it only takes 2 more bolts to remove the pump. 2 of the bolts on opposite corners mount the pump, and the other 2 hold the 2 halves together. When you take the first one out you can tell which it is by the length. Once it is off put some Hytran or equivalent in it and turn by hand. It should build noticeable pressure that way. You can also inspect the pump gear and use light to look through the hole and inspect cam gear while you are waiting for starter.
Have you taken the other end of the lines off also? I have never actually worked on a C hydraulic system, but on a cub which uses a similar system but with a single cylinder the oil will drain out by gravity.
Have you taken the other end of the lines off also? I have never actually worked on a C hydraulic system, but on a cub which uses a similar system but with a single cylinder the oil will drain out by gravity.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
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- 5+ Years
- Posts: 8
- Joined: Tue Feb 23, 2016 10:15 pm
- Zip Code: 35951
Re: Farmall C no hydraulics
I havent taken the other end off. My pipe running from the reservoir to the pmp has an upward bend in it, both ends are lower than the middle. That is why i was wondering how to prime it, because if you pour oil in the other end end it will never get to the pump because of the shape of it. Ive been sick today so as soon as i get4 to feeling better ill start messing around with it a little. My starter is also in, I didnt think $202 plus tax was too bad...
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- 5+ Years
- Posts: 8
- Joined: Tue Feb 23, 2016 10:15 pm
- Zip Code: 35951
Re: Farmall C no hydraulics
Well i found my problem today. Pulled the pump and theres no gear on the shaft. Try turning the shaft with a pair of pliers, cant do it. So I took it apart, the shaft is rusted to the brass/bronze pieces. So Im in the process of finding a new pump i guess....
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