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Hydraulic Pump ?


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#1 NJKen OFFLINE  

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Posted March 20, 2013 - 07:11 PM

I found this in a box of electrical stuff that my uncle dropped off for me today. He found it all at the dump.

No #s at all on it. It says Borg Warner on one side and Wooster Div on the other. Splined shaft about 1/2" OD.

Look familiar to anyone ? With the ports plugged with plastic seals, I assume it's new.

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#2 crittersf1 OFFLINE  

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Posted March 20, 2013 - 07:15 PM

Beats me.



#3 olcowhand ONLINE  

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Posted March 20, 2013 - 07:34 PM

Large port is the inlet, smaller is pressure.  It's a pump, not a motor.



#4 NJKen OFFLINE  

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Posted March 20, 2013 - 08:09 PM

Searched "Borg Warner Hydraulic pump" on eBay and I think I found it.

Item # 221172825367

The one on EBay is off a J 20 D Ditch Witch Trencher. I'm sure or I think it has other applications.

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#5 JRJ OFFLINE  

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Posted March 20, 2013 - 08:46 PM

There you go, answer your own questions, didn't take all that long to get your answer, and it looked ot be in rear good shape at least on the outside,

 

 

Dick



#6 MH81 ONLINE  

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Posted March 20, 2013 - 09:45 PM

I can see aux hydraulics on something Ken owns soon...

#7 NJKen OFFLINE  

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Posted March 20, 2013 - 11:43 PM

I can see aux hydraulics on something Ken owns soon...


Or just "more power" on something I own. I've looked for specs on it. Haven't found much. But the trencher that the one on eBay has a 18 HP engine. I'm assuming the pump ran everything. Not sure.

#8 Toolpartzman OFFLINE  

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Posted March 21, 2013 - 07:17 AM

I like that style of pump because it (at least appears) to have threaded ports for both inlet/return. Lots of cheap ag pumps have only a stub connector/hose clamp fitting on the return port and need constant attention.



#9 NJKen OFFLINE  

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Posted March 21, 2013 - 09:28 AM

After looking closer at the pump, with better light and reading glasses, I found some very faint #s.

01018

P27AH11L01

#10 olcowhand ONLINE  

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Posted March 21, 2013 - 09:35 AM

After looking closer at the pump, with better light and reading glasses, I found some very faint #s.

01018

P27AH11L01

 

 

That's an exact match to the one you found on ebay.



#11 Oo-v-oO OFFLINE  

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Posted March 21, 2013 - 05:59 PM

It is a gear pump.You can buy Lovejoy coupling halves that fit the splined shaft.

 

If you do use it for something, make sure you have an open center system and a relief valve on the pressure line coming from the pump. 

Where I work, we used to have some Italian rubber molding presses that used two pumps like that, one about that size for high pressure / low volume piggybacked onto another about twice as big for low pressure / high volume. We would occasionally have a failure of one of the PLC outputs which would cause the smaller pump to deadhead. When we pulled the pump assembly out of the tank, the end plate would literally be blown right off the pump. 



#12 NJKen OFFLINE  

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Posted March 21, 2013 - 09:49 PM

Based on Bob (Tudor) sent me via Pm. The pump is 3.43 GPM @ 1200 RPM and .66 CIR Displacement. (What ever that means) : )

Based on this info, I'm still not sure what this pump would be good for, besides the trencher on EBay.

I'm assuming there is a way to figure out its proper rotation ?

The pump in size is about 30% bigger then the pump for my Johnson loader, and about 15 % bigger then the log splitters pump. But the splitter pump is a two stage I believe, I'm not so sure is this one is.

I've learned a lot recently about hydraulics, but surely not enough.

#13 Oo-v-oO OFFLINE  

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Posted March 21, 2013 - 11:30 PM

If the ports are the same size, I *think* you can turn it either way. If not, the larger one is the suctionn and the smaller one is the discharge. 

It is a single-stage pump, yes. 



#14 ol' stonebreaker ONLINE  

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Posted March 22, 2013 - 07:08 AM

  .66 CIR = cubic inch per revolution.

                                 HTH,

                                        Mike



#15 olcowhand ONLINE  

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Posted March 22, 2013 - 07:51 AM

Based on Bob (Tudor) sent me via Pm. The pump is 3.43 GPM @ 1200 RPM and .66 CIR Displacement. (What ever that means) : )

Based on this info, I'm still not sure what this pump would be good for, besides the trencher on EBay.

I'm assuming there is a way to figure out its proper rotation ?

The pump in size is about 30% bigger then the pump for my Johnson loader, and about 15 % bigger then the log splitters pump. But the splitter pump is a two stage I believe, I'm not so sure is this one is.

I've learned a lot recently about hydraulics, but surely not enough.

 

 

Just put a little oil into the large port, then turn it.  When it pulls the oil INTO the large port then out the SMALL port, you now have the direction of rotation.  At 2400rpm you have aeround 7gpm, so at 3600 you would have over 10gpm.....enough to do whatever you wish.  If you want to run your engine at full rpm's but not needing that much volume, simply pulley down the pump speed.  It looks pretty much the same as what is used on Case 440 series tractors, which is what I am using on my Massey to run my FEL.  These can handle some side load on the shaft, but you needn't run the belt bow string tight....just snug is enough & helps prevent bearing failure.






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