7 4 6 8 9 I0 I I I3 I5 1 Q I2 M I7 I9 2I 23 5 I6 QB 20 22 24 we 3 1 V 1 1 U g ml L K K s l 0 6 3 a gl 3 25 M 24 26 3425 PUMP ASSEMBLY AIR INJECTION REACTOR 1 8 900 BOLT 5 16 18 x 1 14 3 665 SHOE 2 N S S TUBE Part of 3 660 Cover 15 N S S ROTOR Part of 3 660 Pump Assy 3 N S S TUBE Part of 3 660 Cover 16 N S S SEAL Part of 3 660 Pump Assy 4 3 660 COVER Housing 17 N S S RING Part of 3 660 Pump Assy 5 N S S RACE Part of 3 660 Cover 18 N S S HOUSING Part of 3 660 Pump Assy 6 I I S S PIN Part of 3 660 Cover 19 N S S PIN Part of 3 660 Pump Assy 7 3 665 SCREW Rotor Ring 20 N S S RING Part of 3 660 Pump Assy 8 3 665 BEARING Rear 21 N S S BEARING Part of 3 660 Pump Assy 9 N S S RING Part of 3 665 Bearing 22 N S S R ING Part of 3 660 Pump Assy 10 3 565 SEAL 23 N S S SPACER Part of 3 660 Pump Assy 11 3 665 VANE 24 N S S HUB Part of 3 660 Pump Assy 12 N S S BEARING Part of 3 665 Vane 25 3 670 VALVE ASSY Relief 13 3 665 SPRING Shoe 26 3 670 PLUG Pressure Setting 1974 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET P A 3OB 3 000 GROUP 3 28 P