In Reply to: NAA Lift Cover posted by George (NL) on April 20, 2014 at 09:34:48:
One at a time.
"Secondly, should I be able to get the lift arms moving with compressed air from my shop compressor. I only have about 130 lbs of air. When I apply it to the port on the flange of the lift cover the air just exits the unloading valve port in the valve body no matter where I put the control levers."
130 is probably enough. It is most likely exiting the port where the backpressure valve seats against the ram/valve body casting. Nothing can operate with this port open.
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