Posted by Bob M on March 01, 2009 at 09:21:41 from (74.74.133.120):
In Reply to: SMTA hyd posted by Mike Schwartz on March 01, 2009 at 08:54:40:
Mike - The reservoir filler cap should be vented. The original cap is sort of a knob-shaped affair with an integral vent. However if the OEM cap is missing a 1/2" pipe cap with a small (3/32" or so) hole drilled thru it works.
The valve in the reservoir tank (the "Liftall" valve) is for one-way cylinders. If all the Liftall outlet ports are plugged you should operate the tractor with the lever in the center (cylinder hold) position. However the forward (cylinder drop) position is OK too. The rear (cylinder lift) lever position supplies full pressure to the plugged ports and will dead-head the pump if the outlet ports are plugged - not good(!)
If you have added an aux 4-way valve the valve supply should be tee'd direct from the pump supply line. To use the 4-way, pull Liftall lever all the way back and latch it there. This will provide hyd pressure to the 4-way valve.
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