Installation manual

4-21
90-898305
1. Engine pulse fuel pump
2. Fuel/Water separator filter
3. Vapor separator tank vent hose
4. Air compressor inlet coolant hose
5. Fuel outlet from high pressure electric fuel pump – 751.5 kPa (109 psi)
6. High pressure air outlet – 655 kPa (95 psi)
7. Air compressor
8. Air compressor inlet air filter
9. Cooling water routed from air compressor to fuel rail
10. Direct injector discharges the air/fuel mixture into the combustion chamber
11. Schrader valve for testing fuel pressure (design 2 location) – 571.5 kPa
(109 psi)
12. Schrader valve for testing air pressure – 655 kPa (95 psi)
13. Water outlet to tell-tale
14. Schrader valve for testing fuel pressure (design 1 location) – 751.5 kPa
(109 psi)
15. Fuel injector is opened by the PCM, 751.5 kPa (109 psi) fuel is discharged
into a machined cavity inside the air chamber of the air/fuel rail. This mixes
fuel with the air charge.
16. Fuel pressure regulator
17. Air pressure regulator
18. Excess high pressure air muffler
19. Bleed off from air pressure regulator; routed to the outside through bottom
cowl
20. Bleed off from fuel pressure regulator; routed back to vapor separator
tank.
21. Low pressure electric fuel pump Schrader valve
22. High pressure electric fuel pump
23. 172 kPa (25 psi) relief valve
24. Vapor separator tank float needle
25. Vapor separator tank float
26. Low pressure electric fuel pump
27. Fuel Director
28. Vapor separator tank drain screw
29. Vapor separator tank drain fitting
30. Fuel/Water Drain Fitting
31. Fuel/Water Drain Screw
32. Fuel/Water sensor
33. Fuel Inlet from primer bulb