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Case Tractors Discussion Forum
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DAVE(W) PUMP FOR VAC

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DCTOM

09-14-2004 09:35:46




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DAVE, THE PUMP I HAVE IS THE HIGH PRESSURE (4500#)THAT GOES ON THE BELT PULLY FOR A VAC DCTOM




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Dave (WA)

09-14-2004 09:45:34




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 Re: DAVE(W) PUMP FOR VAC in reply to DCTOM, 09-14-2004 09:35:46  
Thanks Tom. I was looking for one that will run off the timing gear. By the way would you happen to know how much pressure they might put out? I was planning on running a loader off it and a small backhoe unit. Thanks Dave



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GeoMo

09-15-2004 05:21:22




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 Re: DAVE(W) PUMP FOR VAC in reply to Dave (WA), 09-14-2004 09:45:34  
I have a 2-stage combine pump on my VAC. I use the power steering stage for the eagle hitch and the header stage for remote cylinder. Works well but I am not sure about the flow, good for remote cylinders. I found the following post.

Posted by John Saeli on January 05, 2004 at 10:03:02 from (66.66.189.222):
In Reply to: VAC Hyd pump posted by Don on January 05, 2004 at 08:08:10:

Hey Don: Any old CASE combines around? Not sure what all models used the same pump, but I'm sure the 600SP used the same pump.

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Joe (Wa)

09-14-2004 14:52:14




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 Re: DAVE(W) PUMP FOR VAC in reply to Dave (WA), 09-14-2004 09:45:34  
The engine driven pump is rated 7 gpm @ 850 psi when engine is running 1425 rpm. There is no relief valve in the pump, it is located in the eagle hitch control block and is normally set 800-850 psi.

Joe



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Dave (WA)

09-14-2004 19:57:42




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 Re: DAVE(W) PUMP FOR VAC in reply to Joe (Wa), 09-14-2004 14:52:14  
Thanks Joe and Doc for the reply Joe I finished the loader and have it off the internal pump but can't seem to pickup more than 800lbs the pressure was 1200psi which it seems to call for between 1200-1300 psi So I guess I have to modify a old VAc adaptor with a old dist, I picked up at a swap meet. I will modify a pump to that and let you know how it works out. I will try and post a picture of the loader I finished And thanks for all your help. Dave

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Joe (Wa)

09-14-2004 22:35:33




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 Re: DAVE(W) PUMP FOR VAC in reply to Dave (WA), 09-14-2004 19:57:42  
I guess I don't understand all you are trying to do. You are going to mount the VAC pump on the G148 using part of a mag for an adapter?

Joe



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Dave (WA)

09-15-2004 09:30:22




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 Re: DAVE(W) PUMP FOR VAC in reply to Joe (Wa), 09-14-2004 22:35:33  
Joe, no I wanted to use the regular pump that would fit but it sounds like the pressure is to small. I guess I will plan on mounting a low volume higher pressure pump in the old vac dist, mount then add a bigger storage tank on the side of the loader, The loader control has a power beyond conection. I plan on using to run a small older Davis backhoe unit I picked up. What do you think?



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Joe (Wa)

09-15-2004 18:10:16




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 Re: DAVE(W) PUMP FOR VAC in reply to Dave (WA), 09-15-2004 09:30:22  
I don't know much about the hp pump. An I&T manual states the rated working pressure is 4500 psi, doesn't list gpm. Case manuals I have don't address capacity. On this forum guys have stated the gpm from 2 to 4. Lots of terminal pressure for a loader but seems awful slow getting there. I don�t think it would provide the gpm to co-ordinate the simultaneous functions required to operate a backhoe.

I use a Prince 2000 psi?, 11.4 gpm slip-on pto pump with a rectangular 30 gal reservoir mounted on the hitch lift arms above it to run my backhoe. That is more pump capacity than I need and easy to install or remove. Disengage the pto when it is not needed or add a selector valve and run the loader, you won�t be using the hoe and the loader at the same time.

Anyway good luck, let us know how things work out.

Joe

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DCTOM

09-14-2004 13:43:22




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 Re: DAVE(W) PUMP FOR VAC in reply to Dave (WA), 09-14-2004 09:45:34  
GEE I GUESS IT WOULD RUN A LOADER AND EVEN A SMALL BACK HOE BUT WOULD BE VERY SLOW, THE GPMISNT THAT GREAT TOM



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