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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