5713Valves for direct and reverse clutch Vd Rc Fig 521a and b

When the manual selector valve is moved to reverse position the left hand ball valve drops onto its seat so that line pressure oil from the manual selector is compelled to move through a restriction. At the same time, the right hand ball valve is pushed to the right, immediately closing off the second gear servo piston spring side from the line pressure. The right hand ball valve is dislodged to the left when third gear is selected so that the manual reverse line pressure is prevented feeding the drive and reverse clutch piston. During the time third gear is selected the left hand ball serves no purpose.

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