In consequence, the compression spring (20) of the directional valve puts the control piston(19) back to its farthest left, the pressurized oil (P) flows through the groove (A) onto the piston (11) pushing down the barring gear catch (15).
In consequence, the compression spring (20) of the directional valve puts the control piston<br>(19) back to its farthest left, the pressurized oil (P) flows through the groove (A) onto the piston (11) pushing down the barring gear catch (15).