Posted by mkirsch on March 01, 2009 at 09:11:36 from (67.240.251.254):
In Reply to: SMTA hyd posted by Harold H on March 01, 2009 at 08:54:40:
Mike,
How did you plumb in the aftermarket valve?
Unless you hooked it into one of the outlets from the hydraulic reservoir, it will not work. The SMTA has an open center hydraulic system which means that there must only be one path for the oil to flow. If you don't hook it to one of the outlets on the reservoir, you create two paths for the oil to flow, and it will never develop any pressure.
Normally you should operate the tractor with the lever on the reservoir forward unless you need hydraulics.
If you plug all the holes and run with the lever back, you will hear constant squealing from the reservoir as the tractor pumps oil past the relief valve. The oil will get VERY hot VERY quickly, and the pump will burn up eventually. It'll also be wasting power and fuel.
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