Posted by gots-2-go on March 28, 2008 at 11:34:40 from (69.72.57.232):
In Reply to: Power Steering On MD posted by GarryinNC on March 28, 2008 at 05:44:20:
#1. The Belhen manual states about 1000psi should be used to feed the power steering unit.
#2. Sometimes, it depends on the condition of your pump as to the amount of psi and gpm it is putting out.
#3. A flow divider will work, but check the output of your pump and try to keep the pressure going to the power steering around 1000psi.
#4. Belhen made a live pump that was mounted between the mag/dist and the drive. It is a #201. It has a set pressure rating of 1000psi, and a flow rate of 3.25 gpm. They appeaqr on ebay every now and then, they usually sell anywhere from 175 up to 400. If I remember right the MD model rotates clockwise and the gas M model rotates counterclock wise or vis-versa. If the MD does rotate in the other direction than a gas M you will need a #201 that was removed from a MD model. These pumps will only work right for the rotation they were designed for. If you find one from a John Deere A or B it will work if the MD rotates different than a M gasser. The gas model John Deere A's & B's 's rotate in the other direction than a gas farmall does. A company called Hi-Low can rebuild these pumps if it ever needed to be rebuilt.
Hopefully this picture will show you the difference between the 2 models of the Behlen 201 pumps. The 1/2" port is the supply line to the pump, and the 3/8" port is the pressure line to the steering unit.
#5. Char-Lynn made a pump for the M that mounted on the side of the governor housing. They are decent pumps as well. I don't know if that pump is innerchangeable between the M and MD models.
I have 3 farmall's with the Behlen #201 pump on them, and 1 with the Char-Lynn. Overall I personally like the Behlen pump much better. It is gear driven so there is no chance of the belt sliping, or needing adjustment.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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