[AT] AT Digest, Vol 38, Issue 22

[Larry D Goss]

FWIW, there are a number of tractors (generally small utility types) that 
have the power steering plumbed in series with the hydraulic lift rather 
than using a splitter or diverter.  Pump output is around 3.3 gpm, pressure 
runs under 1000 psi.

Larry

----- Original Message ----- 
From: "Chris Britton" <c.britton at worldnet.att.net>
To: <at at lists.antique-tractor.com>
Sent: Monday, April 23, 2007 6:09 AM
Subject: Re: [AT] AT Digest, Vol 38, Issue 22


> To run a PS system off a hyd system that is also running a 3pt or a loader
> or other loads.. you will at least need a priority valve for the PS.. and
> let it get it's oil first, then let the leftover run the rest of the 
> system.
>
> Yes.. the more gpm/pressure a hyd pump is putting out.. the more hp it 
> will
> require from the engine.
>
> Soundguy
>
>>From: John Wilkens <jwilkens at eoni.com>
>>Subject: [AT] Add-on hydraulics and power steering?
>>Anyone know of a good book on very basic practical application of
>>hydraulics and old tractors?  One specific is...can you use a front
>>or rear mount hydraulic pump that is being used to run a loader (etc)
>>to run an add-on power steering unit also?  What capacity pump would
>>be required?  What kind of plumbing and fixtures would be
>>needed?      Also, can a pump be too big to run such a system.    I
>>tried to run a wood splitter off of a large BeeGee pump hooked up to
>>the belt pulley shaft on an AC WC tractor (came off of a Cat) but
>>about all it did was heat up the oil and stall the tractor.  One guy
>>told me the pump was "just too big."  ???
>
>
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