i 1 1 g ag 6 W I 1 6 i I W6 II I A I8 9 I I 1 I I I V 1 7 I 6 X I 6 5 1 T i II 3 4 I I6 I 1 41 4 vs s gk 92 B BC AIR BRAKE APPLICATION VALVE 1 4 634 PLATE 11 4 640 WASHER 2 4 625 1 E A1 12 4 640 RETAINER 6 4 634 PIN 13 4 640 1A1 1 11 1AcM 4 4 634 STOP 14 4 640 SEAL 6 4 640 601 1 16 4 640 600v 6 6 4 640 SUPPORT 16 4 640 SPRING V 7 4 634 NUT 17 4 640 GROMMET 6 111 6 GASKET 18 4 640 VALVE 6 4 625 PLUNGER 19 4 640 SEAT 10 8 900 601 1 20 4 640 1 1s10N j 1970 CHEVROLET MOTOR DIVISION GENERAL MOTORS c0m 01 1A110N 1 61A 31S 4 102P