yw W 2 20 10 I8 I 21 22 3 1 15 QD G 4 I5 I 5 7 9 I 6 7 25 26 28 29 A I M 2 A 24 19 T f I6 I 4 361 I5 1966 71 REAR AIR BRAKE CAM OPERATED 1 5 130 RING 16 5 055 RETAINER 2 5 130 WASHER 17 5 056 WASHER 3 5 125 ADJUSTER 18 5 018 FACING 4 5 130 RETAINER 19 5 017 SHOE 5 5 130 WASHER 20 5 020 ROLLER 6 5 130 BUSHING 21 5 020 RETAINER 7 8 915 NUT 22 5 026 SPRING 8 5 120 WASHER 23 5 055 PIN 9 5 120 YOKE 24 5 075 SPIDER 10 5 120 CHAMBER 25 5 130 BUSHING 11 5 120 PIN 26 5 130 WASHER 12 5 130 BRACKET 27 5 130 RETAINER 13 5 130 GASKET 28 5 130 WASHER 14 5 002 SHIEILD 29 5 130 CAMSHAFT 15 5 043 LOCK 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 3IS REV 5 71 4 61P