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FARMALL H HYDRAULICS


 
Post new topic    Yesterday's Trucks Forum Index -> Farmall & International Harvester (IHC)
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Steve Driscoll
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PostPosted: Sun Feb 10, 2008 2:50 pm    Post subject: FARMALL H HYDRAULICS Reply to specific post Reply with quote

I mounted a 6' Modern Ag brushog on the 3 point hitch on my H yesterday. She doesn't seem to be able to lift (app. 800#) although she is able to lift her rear blade on the hitch. Am I over the limit of what the belly pump on the H can do? Anyone have any ideas-my neighbor said to get an auxillary pump with more capacity-said they made them to run off the side pto for the belt drive-this true? Never saw one.
 
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Red Mist
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Joined: 09 Sep 2005
Posts: 1633
Location: Upper Alabama

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PostPosted: Sun Feb 10, 2008 3:26 pm    Post subject: Re: FARMALL H HYDRAULICS Reply to specific post Reply with quote

I am not the belly pump expert, but I will tell you what I have read here on earlier posts:
You do not mention what year H you have, but I am told earlier H's (and M's) have pumps which make less pressure than later ones. So, with more information from others here, you might swap out your belly pump unit for one from a late H and have more lift power. I believe I recall someone saying the later ones are marked with yellow paint, or something. mike durhan
 
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Janicholson
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Joined: 30 Jan 2004
Posts: 20950
Location: St. Cloud, MN

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PostPosted: Sun Feb 10, 2008 3:27 pm    Post subject: Re: FARMALL H HYDRAULICS Reply to specific post Reply with quote

Much depends on two factors:
The weight and rear length of the mower, and the size of the cylinder on the 3point.
Four recommendations.
Increase the area of the cylinder by 50% (A= pi X radius squared). This is probable easiest.
Use a spring balance to remove apparent weight from the mower. How to attach, and where to anchor for assist is a bit harder.
Attach a hydraulic pump to the belt pulley mechanism (I recommend a pump that would be next to the drive, and powered by a cog belt drive to eliminate maintenance)
Or use a front crankshaft driven live power pump.
(I think there are images of several in the archives on Hs) JimN
 
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Steve Driscoll
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PostPosted: Sun Feb 10, 2008 4:42 pm    Post subject: Re: FARMALL H HYDRAULICS Reply to specific post Reply with quote

Thanks for the insight Jim. I was looking at some of your postings from January this year and was wondering if I have some other fundemental problem. I went out and reversed the hoses just now and she lifted the same amount. I guess I don't understand the one way hydraulics-how can it lift as high when I reversed the hoses and (I think) inverted the in and out of the cylinder? Or is this just pointing to the fact as you explained earlier that I need either more cylinder area or more hydraulic pressure? Again than you for your help.
 
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gene bender
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PostPosted: Sun Feb 10, 2008 5:27 pm    Post subject: Re: FARMALL H HYDRAULICS Reply to specific post Reply with quote

You didnt say what ite dia of the cycl is. Are you using a two-way valve. Easiest would be a larger dia cycl. Be careful about running a pump off the belt pulley just check the recomended rpm of the pump and psi and gpm. Have you thought about a tee in the line and a hy guage that would help.
 
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Janicholson
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Location: St. Cloud, MN

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PostPosted: Mon Feb 11, 2008 7:05 am    Post subject: Re: FARMALL H HYDRAULICS Reply to specific post Reply with quote

The hitch on your tractor is not stock to the tractor. The 300-350 were first IHFarmall with hydraulic hitches, and they were 2point Fast hitch systems. I assume from the fact that your hitch has two hoses, that it has a two way valve on it and that the rod control for the Liftall belly pump is held back (on) all the time. The lever controlling the hitch should have reversed its action Up becoming down, and down, up. This would be what is expected. IH placed valving at the cylinder to prevent extreme lowering speed on the factory hitches for safety. Your after market hitch would not have that unless someone put it in there (unlikely). THanks for reading my posts, it is nice to know when someone is.
JimN
 
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mussotom
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PostPosted: Tue Feb 12, 2008 5:40 am    Post subject: Re: FARMALL H HYDRAULICS Reply to specific post Reply with quote

Hey I'm trying to find these pictures of a hydraulic pump mounted on the side of the Farmall H using a belt drive but I can't seem to find them. Could you help me find those pix?

The weight and rear length of the mower, and the size of the cylinder on the 3point.
Four recommendations.
Increase the area of the cylinder by 50% (A= pi X radius squared). This is probable easiest.
Use a spring balance to remove apparent weight from the mower. How to attach, and where to anchor for assist is a bit harder.
Attach a hydraulic pump to the belt pulley mechanism (I recommend a pump that would be next to the drive, and powered by a cog belt drive to eliminate maintenance)
Or use a front crankshaft driven live power pump.
(I think there are images of several in the archives on Hs) JimN[/quote]
 
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Janicholson
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Joined: 30 Jan 2004
Posts: 20950
Location: St. Cloud, MN

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PostPosted: Tue Feb 12, 2008 11:41 am    Post subject: Re: FARMALL H HYDRAULICS Reply to specific post Reply with quote

The pictures in this Post Have Them

Charles Todd
02-10-2008 18:29:40
205.242.95.139
642641

It is a few post newer than this one. JimN
 
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