Posted by Bobcat698 on July 24, 2012 at 06:08:56 from (71.13.198.82):
My Farmall 806 has little to no steering assist. It has a wide front end.
It will steer a small amount but it is armstrong steering. Even with the front off the ground it still takes a good amount of force to steer it.
It doesn't steer easier one way compared to the other.
It doesn't help if you raise the RPM's either. The tires will turn a little with the engine off.
The fluid has recently been changed, along with the filter. The 3 point, T/A, and aux hydraulics all work fine, along with the brakes.
Fluid is getting to the steering components up front because recently it started leaking hydraulic fluid by the square plate right below the radiator. We ended up tearing the whole front end out and putting new o-rings on everything. We removed the piston & everything, replacing anything that looked bad. This fixed the leak, but not the steering.
It isn't a priming issue.. We removed the bottom plug on the MCV (facing the step) and started the tractor. Fluid came out quickly but it didn't change the steering at all once reinstalled. We also took out the middle plug, spring, and valve. The orifice on the valve was plugged so we cleaned it out and reinstalled. No change.
I checked the Hydraulic level, even overfilled it by 5 gallons. No change.
We put a gauge on the block right behind the battery on the drivers side.. It read 225-250PSI. Same thing on the bottom port on the MCV.
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