4 639 SPRING Brake Pedal Return 55 Ser 4 5 6 56 59 All exc Air Brake 3698665 1 20 pedal return 4 760 4 640 CONTROL VALVE BODY BOOT BRACKET BUMPER BUSHlNG COVER CUP DlSC ASSY GASKET GROMMET GUlDE lNSERT NUT PlSTON PLUG PLUN GER REPAIR UNIT RETAlNER R NG SCREEN UNlT SCREW SEA L SEAT SHIM SPR NG SUPPORT WASHER Air Brake Main or Manual 57 59 All 2410272 1 8 43 inlet and exhaust control Bendix 275060 part of 3740575 60 62 All exc Tilt Emerg Air Brk assy w body Midland N 10949 A 63 66 All 2405656 1 47 25 N 20804 C 60 62 AII 64 66 AII 67 69 Ser 60 Tilt w Air Brake 70 Ser 50 60 Tilt w Air Brakes 8 cyl 2381277 1 6 30 assy w cage Midland 11087 P 60 62 All exc Tilt 3769294 1 38 30 assy Midland N 3991 A 60 66 Ser 60 80 Tilt 67 70 Ser 60 Tilt w Air Brake 69 70 Ser 50 Tilt w Air Brake 3876272 1 38 50 assy brake control Midland 20826 C Note 1 NOTE 1 When used in place of 2396401 A V4 18 pipe plug 3745182 or equivalent must be used at inlet cover 60 66 Ser 60 exc TDM 60 66 Ser 80 67 69 Ser 60 Tilt w Air Brake 70 Ser 50 60 Tilt w Air Brakes 8 cyl 2282077 1 2 40 w retainer cont valve discharge Midland N 1941 E 63 All 1st design 3840042 1 59 00 assy Wagner AE 43141 A on flange hydraulic control 66 Ser 60 4 cyc Diesel exc TDM 70 Tilt w Air Brakes 2468835 1 18 63 frt air brake two way hand Westinghouse 279249 A 5 494 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 Ser 50 60 Conv TDM w Air Brakes exc Emerg Air Brakes 2485778 1 45 00 assy w body Midland N 20837 C 67 Ser 60 exc Tilt Emerg Air Brake 68 Ser 60 exc Tilt SBC Emerg Air Brake 3898579 1 56 00 assy Ibrake control Midland N 30028 D complete 67 Ser 60 w Emerg Air Brake exc Tilt 3902094 1 96 20 brake control Bendix 280755 68 Ser 60 w Emerg Air Brake exc Tilt 3924580 1 101 00 brake control Bendix 281445 69 Ser 50 Cab w Emerg Air Brake 69 Ser 50 SBC w Air Brake 69 Ser 60 w Emerg Air Brake exc Tilt 3961609 1 78 40 brake control Wagner AE 71190 A 69 Ser 50 Cab w Air Brake exc Tilt Emerg Air Brake 69 Ser 60 w Air Brake exc Emerg Air Brake Tilt 70 Ser 50 60 Conv TDM w Air Brakes exc Emerg Air Brakes 3959612 1 57 35 assy air brake control Midland N 30028 G 70 Ser 50 60 w Emerg Air Brakes exc Tilt 3965378 1 92 15 brake control Wagner AE 72877 65 66 Ser 60 4 cyc Diesel w Air Brake exc TDM 65 Ser 80 4 cyc Diesel w Air Brake 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 315 REV 6 7 l 4 169 4 639 4 640