Ser #15645, AC truck
Hydraulic/Power steer motor operates very slowly RPM ( barely enough to operate steering properly and not quick enough for the hydraulics to operate)
Motor is a AC 25 volt three phase ( I think it is variable voltage / variable speed )and gets very hot with-in one to two minutes. Motor was tested and is OK. Voltage at the three motor terminals are 7.5 volts on each this explains the rpm issue but should increase with the hyd functions ??, Could it be a bad inverter ? Battery voltage OK and the indicators on both AC super drive motor controllers do not show any faults.
The dash disply is not visable for codes.
Help would be greatly appreciated
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