Speed up the unit to his max RPM (3400 main) and back drive at 65 setting Again without feed read the main drive BAR and Back Drive BAR Try to find out any vibrations or noises Check temperature on Denison pump Check any fluctuation on pressure
Speed up the unit to his max RPM (3400 main) and back drive at 65 setting Again without feed read the main drive BAR and Back Drive BAR Try to find out any vibrations or noises Check temperature on Denison pump Check any fluctuation on pressure