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farmall super m hydraulic nightmare

S

scott linker

New User
I have a live pump,belly pump,behlen power steering, dual loader,and a maze of hydraulic hoses and no hydraulic pressure to work the loader. Does anyone have some pictures of what should go where? I think the maze is the problem there are brazed fittings to allow inlets and so on something isnt right i have good pressure at the pump thanks in advance..........
 
With the live pump, you do not need the belly pump, except for a reservoir to store the fluid for the live pump. The Behlen power steering is a closed system. The hoses coming from the Behlen pump should go only to the steering torque motor, no where else. There should be one large hose (supply) from the bottom of the belly pump to the live pump, and one smaller hose from the live pump to a control valve of some sort. There should be one hose from that control valve that goes back to the fill pipe for the belly pump (return), and there should be two more hoses ( up pressure and down pressure)coming from that control valve and going to the loader cylinders. These hoses will probably have tee fittings, so that both cylinders can be supplied with hydraulic pressure. A picture would be worth a thousand words, but I don't have one.
 
Most of the Behlen power ateering systems had a dedicated pump which was installed ahead of the distributor. If yours does not have it, then the power steering is being supplied from the live pump, which necessitates the need for a priority valve to divide the hydraulic flow between the power steering and the rest of the tractor.
 
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