Home » ISX11.9 CM2250 - Service Manual » Cummins ISX11.9 CM2250 – Service Manual 200-001   Flow Diagram, Fuel System

Cummins ISX11.9 CM2250 – Service Manual 200-001   Flow Diagram, Fuel System

Table of Contents

Flow Diagram

Flow Diagram

TOC

SMALL | MEDIUM | LARGE
ISX11.9 CM2250

  1. OEM fuel supply connection
  2. Fuel lift pump supply line
  3. Fuel lift pump
  4. Fuel lift pump return line
  5. Fuel pump gear pump supply line
  6. Fuel pump gear pump inlet
  7. Fuel pump gear pump
  8. Fuel pump gear pump outlet
  9. Pressure side fuel filter inlet
  10. Fuel filter head
  11. Pressure side fuel filter (5-micron)
  12. Pressure side fuel filter outlet
  13. High-pressure fuel pump inlet
  14. Fuel pump actuator
  15. High-pressure fuel pump
  16. Fuel rail supply line
  17. Fuel rail
  18. Fuel pressure sensor
  19. High-pressure injector supply lines
  20. High-pressure fuel connector
  21. Fuel injector
  22. Fuel injector drain check valve (banjo type)
  23. High-pressure relief valve
  24. Injector drain line
  25. High-pressure relief valve drain line
  26. Fuel pump drain line
  27. Fuel drain manifold
  28. OEM fuel return connection
  29. Lift pump OFF (check valve open)
  30. Lift pump ON (check valve closed)

SMALL | MEDIUM | LARGE
ISX11.9 CM2250

  1. Fuel supply from fuel filter head to the aftertreatment fuel injector fuel manifold
  2. Aftertreatment fuel injector fuel manifold
  3. Fuel shutoff valve
  4. Fuel pressure sensor
  5. Fuel supply to aftertreatment fuel injector
  6. Aftertreatment fuel injector

Last Modified:  11-May-2010