wei 1 2 3 4 5 3 4 6 4 7 8 4 12 2 1 13 14 15 9 10 9 VA l I I Y I I 2I TQ I lv m A 4 Y 1 16 34 33 32 4293 3O 4 5 3 4 9 4 3 M I 17 I 1 Q 2 I J 0 U 2 2 2W 1 T vT mm 0 mf 22 9 2 25 29 25 21 9 20 22 Q 95 9 22 9 Q 26 22 9 4 H IL 17 15 16 19 2 18 27 4407 72BBC MIDLAND VACUUM POWER BRAKE CYLINDER 1 4 926 NUT 18 8 915 BOLT 2 4 922 PLATE 19 4 906 SHELL Front 3 4 924 WASH 20 4 940 BODY 4 4 917 RING 21 4 931 TUBE ASSY 5 4 924 ROD 22 4 955 VALVE 6 4 911 BUSHING 23 4 955 SPRING 7 4 906 SHELL Inter 24 4 940 HOUSING 8 4 931 TEE ASSY 25 N S S PART OF 4 898 REPAIR KIT 9 4 910 SEAL 26 4 942 RETAINER 10 4 931 HOSE 27 8 900 BOLT 11 4 942 SPRING 28 4 947 DIAPHRAGM 12 4 926 SEAT 29 4 915 PISTON 13 4 924 PLUG 30 4 955 VALVE 14 4 906 SHELL Raar 31 N S S PART OF 4 955 VALVE 15 4 906 CLAMP 32 4 661 GASKET 16 8 906 BOLT 1 4 20 x 1 3 4 33 4 907 BODY 17 8 915 NUT 1 4 20 34 4 666 SCREW 1970 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORAT ON P A 31S 4 114P