Pic. 11.338. Underdrive clutch and input shaft: 1,4- Spring retaining rings; 2 - Primary shaft; 3, 10, 13, 14 - Oil seals; 5 - Reactive disk; 6 - Friction clutch discs; 7 - Driven plates; 8 - Spring retainer; 9 - Spring bracket; 11 - Underdrive clutch piston, 15 - Underdrive clutch bracket