UNIT INJECTORS 23 Figure 23 — Unit Injector Diagram Page 30 DESCRIPTION AND OPERATION 1. Injector Yoke 2. Copper Sleeve 3. O-Ring 4. Fuel Gallery 5. O-Ring 6. O-Ring 7. Pressure Relief Valve 8. Solenoid Coil 9. Solenoid Coil 10. Injector Valve 11. Injector Piston 12. Injector Nozzle 13. Washer