This scale has a return hose that goes from a metering block back to the tank. It taps into the main pressure line. The lowering valve on the block receives 9 volts when tilting or side shifting or traveling. All input wires have been checked to see which change when unit is malfunctioning. None were found. It could be a bleed between two that have not been tested yet. I have not sourced a filter yet. I will try one when i can get back to shop.
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