1946 72 BRAKES I 4 640 CONTROL VALVE BODY BOOT BRACKET BUMPER BUSHING CUP DISC ASSY GASKET GROMMET INSERT NUT PISTON PLUG PLUNGER REPAIR UNIT RETAINER RING SCREW SEAL SEAT SHIM SPRING SUPPORT WASHER Air Brake Main or Manual Con t 70 72 Ser 50 60 Tilt w Air Brake 8 cyl 231 1304 A R SHIM piston i O D Midland 4 X g 2174 60 62 All 63 Tilt i V 64 66 All 67 69 Ser 60 Tilt 70 72 Ser 50 60 Tilt w Air Brake 8 cyl 2390251 A R SHIM piston 1 M 0 D Midland 4 X 2455 r 60 66 All w Air Brake 67 69 Ser 60 Tilt 70 72 Ser 50 60 Tilt w Air Brakes 8 cyl 2389842 1 SPRING inlet valve release Midland N 1 1312 A 60 66 All w Air Brake 67 69 Ser 60 Tilt 70 72 Ser 50 60 Tilt w Air Brakes 8 cyl 2396972 1 SPRING inlet valve return 6 coils cone I shape Midland N 11162 C 67 Ser 60 exc Tilt Emerg Air Brake 68 69 Ser 60 exc Tilt SBC Emerg Air Brake 69 Ser 50 w Air Brake exc Tilt SBC 70 72 Ser 50 60 w Air Brakes exc Emerg Air Brakes Tilt 2487482 1 SPRING discharge valve Midland 600460 69 72 Ser 50 60 w Emerg Air Brake exc Tilt 2467635 2 SPRING air brake control valve Wagner l I AC 37448 N0te 2 69 72 Ser 50 60 w Emerg Air Brake y exc Tilt 3958050 1 SPRING piston Wagner AC 45267 l 69 72 Ser 50 60 w Emerg Air Brake exc Tilt 3958059 1 SPRING piston return Wagner AC 39876 60 62 Tilt 8 cyl 63 66 Tilt 67 69 Ser 60 Tilt w Air Brake 69 Ser 50 Tilt w Air Brake 70 72 Ser 50 60 Tilt vy Air Brakes 8 cyl 2389026 1 SUPPORT control valve 67 68 Ser 60 w Emerg Air Brake exc Tilt 9029577 1 WASHER cont valve piston spring Bendix 239713 4 641 VALVE BODY BRACKET BUTTON BUSHING CAP CLIP A COVER DIAPHRAGM END GROMMET LEVER NUT PISTON PLUNGER REPAIR UNIT ROD SEAL SPRING SUPPORT Air Brake Park Emergency or Pressure Protect y NOTE 1 Used with emergency air brake l 64 66 All w Emerg Air Brake V 67 70 Ser 60 Tilt w Emerg Air Brake 71 72 Tilt w Emerg Air Brk 2426068 1 emerg cont inlet and exhaust Bendix West 240479 67 70 Ser 60 Tilt w Emerg Air t Brake 71 72 Tilt w Emerg Air Brk 3859653 1 emerg brake control Bendix West 276538 64 66 Ser 60 80 66 Ser 60 4 cyc Diesel w Emerg Air Brake exc TDM 67 68 Ser 60 Tilt w Emerg Air Brake 3850364 1 VALVE ASSY emergency inversion Bendix 277340 Note 1 64 66 Ser 60 80 w Emerg Air Brake 67 70 Ser 60 Tilt w Emerg Air Brake 71 72 Tilt w Emerg Air Brk 2465879 I BUTTON valve Bendix 243062 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM 4 640 4 641 4 178 0 REV 5 79