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Ford 8n will not lift bush hog when cold?

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Dukefamily5

01-03-2018 10:49:23




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My Ford 8n will not lift the bush hog when cold. The hydraulic oil is good as new. Can anyone give me some ideas of where to start?




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R Geiger

01-14-2018 09:55:29




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
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Your original title of the post said 8n.



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Dukefamily5

01-14-2018 09:15:50




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
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Its a ford 800... The leakage is on the tachometer guage which is connected to the hydro pump at the engine block.



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R Geiger

01-14-2018 09:12:06




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
Got pictures of that? Does not sound like a normal 8n setup. any leakage in the system would or could cause lift problems. It would depend on how much leakage.



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Dukefamily5

01-14-2018 09:04:37




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
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Question? The gauge at the steering column coming from the pump is making a hising noise / leaking. Would this cause the lift to not work?



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Caryc

01-04-2018 17:56:42




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
Here's the link.

https://www.external_link.com/tsc/product/traveller-premium-universal-tractor-trans-hydraulic-fluid?rfk=1



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ScoutB

01-04-2018 17:35:30




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
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I tried twice give you a hyperlink but the post is removed immediately in Modern View. I used the Traveller brand UFT from TSC



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ScoutB

01-04-2018 17:28:05




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
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It was this stuff



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ScoutB

01-04-2018 17:14:56




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
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It was this stuff



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Ed S. (IL)

01-04-2018 16:24:10




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
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I use the same fluid, Colin, and with it cold, it will definitely be very sluggish for the first 20+ minutes or so of operation.

I bought a cheap magnetic heater that I stick to the bottom of the sump/pump and leave it plugged in all winter. The lift is still a tiny bit sluggish at first, but quite usable.

es



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hd6gtom

01-04-2018 15:38:57




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
I started running them in 1960, it is typical of an n ford.



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Dave Nepple

01-04-2018 15:34:13




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
Hi, Does anyone know what the lifting capacity is one the 3 point for a 49 8n? I can handle a 6' mower and blade, but not a 6' tandem disk? Am I expecting to much? Thanks Dave



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Bruce (VA)

01-04-2018 18:29:10




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dave Nepple, 01-04-2018 15:34:13  
See tip # 44.



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fusion

01-04-2018 06:29:35




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
I had same concern went to Tractor Supply and got Traveller Ford Tractor All Mineral 90 Transmission Fluid
drained and refilled works great



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Dukefamily5

01-04-2018 04:59:25




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
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Scott what spec of UTF did you use?



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ScoutB

01-03-2018 17:33:49




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
I switched from molasses to UTF two years ago and my hydraulics respond instantly instead of 15 minutes later. I just plowed with it today and all was well at 10*.



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Dukefamily5

01-03-2018 13:38:30




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
Im not sure about the oil because the previous owner put the oil in last.



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Bruce (VA)

01-03-2018 14:26:41




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 13:38:30  
Well, given that it has no leaks and it's cold (mind telling us how cold?) that could easily be your problem.

Colin lives in MN.

Colin, what hydraulic fluid do you use?



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Colin King

01-04-2018 12:02:10




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 Re: Ford 8n will not lift bush hog when cold? in reply to Bruce (VA), 01-03-2018 14:26:41  
Hi Bruce,

My 8N has 90wt and once the temperatures are below freezing, the lift will operate slowly until the oil warms up. It seems that it can take as much as 30 minutes to get things operating well. The lift on my 961 with universal tractor fluid operates better in colder temperatures.

Just as a side note, last week it was so cold here that even the hydraulics on the neighbor's Bobcat wouldn't work.

Colin, MN

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Dukefamily5

01-03-2018 13:37:32




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
The fluid looks clearish yellow like.

The temp is 28 f



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Bruce (VA)

01-03-2018 14:31:49




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 13:37:32  
ok, just saw this.

28* is cold enough to turn some fluid to molasses.

What ever Colin uses in MN, you need to use.



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Colin King

01-03-2018 14:20:24




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 13:37:32  
I think temperature is your primary culprit. Until the sump warms up, the lift will move more slowly when the oil is thick and cold. I'm sure component wear exacerbates the issue, but just give things time to warm up.

Colin, MN



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Bruce (VA)

01-03-2018 14:27:46




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 Re: Ford 8n will not lift bush hog when cold? in reply to Colin King, 01-03-2018 14:20:24  
Colin, see my question above.



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Dukefamily5

01-03-2018 13:35:39




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
Not good as new its still slugish but it works. It hesitates when you put the lever in the up position. I bought the tractor 6 months ago and the owner said it took 15 min to warm up before the lift would work. The oil is in good condition.



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Bruce (VA)

01-03-2018 13:33:57




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
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We really need you to be a bit more specific in your answers.
As Dean & I asked:

Just how cold is it?

What oil is in it?
How old is the oil?

Over filled is not good. See tip # 4. And the "over fill" could be water.
What color is the fluid?



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Dean

01-03-2018 13:02:20




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
What do you mean by "[G]ood as new?"

When was the oil last changed?

How cold is cold?

Dean



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Dukefamily5

01-03-2018 12:45:40




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
I did not see any leaks on the inside. The hydraulic oil was over filled.Once I ran the tractor with the cover off the lift went up. Now it took about a minute before it slowly lifted. Any ideas?



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Dukefamily5

01-03-2018 11:16:05




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
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Does step 16 apply when the lift arms work when the tractor is warm?



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Bruce (VA)

01-03-2018 11:20:48




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 11:16:05  
Yes.

You're looking for leaks.

Just how cold is it?

What oil is in it?



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Bruce (VA)

01-03-2018 11:05:53




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 Re: Ford 8n will not lift bush hog when cold? in reply to Dukefamily5, 01-03-2018 10:49:23  
See tip # 16.

Post back w/ what you see.



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