Model Type: Mechanical Pumps Page 1 1. Title Page Tier 2 Series Pump T-2 Components 2. Specification Sheet Understand the reason for using latest edition specification Under the use of SSI and Internet Understand the mast head information 3. Notes Review the notes.
Model Type: Mechanical Pumps Page 2 4. Test Stand Stand must conform to ISO 4008 Correct Injection Lines Use proper injectors per the Specification 5. Test Stand Typical test bench calibrating injector set up, LDV P/N 36950 6. Test Stand Calibration Fluid Supply pressure Cam movement Device
Model Type: Mechanical Pumps Page 3 7. Cam Movement Read-out Device Zeroed out with pump not rotating 8. Pump Installation Pump lay-out, rotation direction and pump timing Note: Speeds are in Engine RPM Lever angles are reference only 9. Calibration Checks: As Received for Service 1. Temperature 2. Reset high idle screw
Model Type: Mechanical Pumps Page 4 10. Calibration Checks: As Received for Service 3. Check points a.&b. Governor checks c. ESO check d. Rated speed fuel & speed advance check e. Light load advance check f. R to R fuel g. Speed advance check h. Light load advance check i. Low speed fuel limiter check j. Low speed fuel limiter check k. Low idle setting l. ESO check m. Cranking fuel n.&m. Cold start solenoid check (J.D. delay) 11. Pump Settings: Following Static pump settings done during assembly 1. Roller to roller setting 2. Governor linkage gap setting 12. Pump Settings: Following 3. Warm up 4. Shut-off solenoid & transfer pump lift check 5. Setting transfer pump pressure 6. Return oil adjustments & housing pressure check
Model Type: Mechanical Pumps Page 5 13. Pump Settings: Following Disconnect or turn off power to the ESO Polarity is not important 14. Pump Settings: Following Setting transfer pump pressure 15. Pump Settings: Following Transfer pump pressure se at 69-71 PSI (475-490kPa) at 1500 engine speed.
Model Type: Mechanical Pumps Page 6 16. Pump Settings: Following 7. Pre-setting speed advance set for 1º at 1900 ERPM 17. Pump Settings: Following Type 2 Servo Speed Light Load Advance Tool, P/N 34593 Reference Parts Bulletin 224R1 18. Pump Settings: Following Adjusting the speed advance adjustment plug ( advance trimmer screw )
Model Type: Mechanical Pumps Page 7 19. Pump Settings: Following Advance Adjusting Tool: Relationship of tool components and a typical Servo Speed Light Load Advance 20. Pump Settings: Following Step 1 Advance Adjusting Tool: Threading tool onto the advance end plug 21. Pump Settings: Following Step 2 Advance Adjusting Tool: Lightly clamping the Light Load Advance Piston with the Advance adjusting Tool
Model Type: Mechanical Pumps Page 8 22. Pump Settings: Following Step 3 Advance Adjusting Tool: Screwing tool into the Speed Advance Plug 23. Pump Settings: Following Step 4 Advance Adjusting Tool: Clamping the Light Load Advance Piston in place 24. Pump Settings: Following Step 5 Advance Adjusting Tool: Moving the speed advance plug in the light load advance piston to set speed advance Pump running for Speed Advance Setting, pump not running for final trimming of light load advance on T2 pumps.
Model Type: Mechanical Pumps Page 9 25. Pump Settings: Following Step 6 Advance Adjusting Tool: Tool removal 1. Loosen Part C 2. Unscrew Part D from speed advance plug 3. Loosen Part B 4. Unscrew Part A from advance plug assembly 5. Using the end cap at low pump RPM s bleed air from the advance and tightened the end cap to the proper torque. 26. Pump Settings: Following 1º of speed advance set 27. Pump Settings: Following 8. Roller to Roller setting If set properly during assembly should not need to be adjusted. If small adjustment needs to be made, both RR adjusting screws need to be adjusted the same. 9. Setting of torque screw fuel delivery
Model Type: Mechanical Pumps Page 10 28. Pump Settings: Following Setting of torque fuel delivery. 29. Pump Settings: Following 10. Locking down fuel limiter piston, then presetting orifice screw position 30. Pump Settings: Following Fuel limiter screw - on right Fuel orifice screw - on left
Model Type: Mechanical Pumps Page 11 31. Pump Settings: Following 11. Adjustment of the Low Speed Fuel Limiter Adjusting Screw 12. Checking fuel limiter setting 13. Rechecking and re-adjustment of the fuel limiter screw (if necessary) 32. Pump Settings: Following Adjustment of the Low Speed Fuel Limiter Adjusting Screw 33. Pump Settings: Following 14. Adjustment of the Low Speed Fuel Limiter Orifice Screw 15. Checking the effect of the adjustment on the fuel limiter screw setting 16. Re-adjustment of fuel limiter screw if needed 17. If re-adjustment of the fuel limiter orifice screw is necessary adjust and go to step 16.
Model Type: Mechanical Pumps Page 12 34. Pump Settings: Following Adjustment of the Low Speed Fuel Limiter Orifice Screw 35. Pump Settings: Following 18. Adjustment of the high idle screw 19. Adjustment of the low idle screw 36. Pump Settings: Following Adjustment of the High and Low Idle Screws.
Model Type: Mechanical Pumps Page 13 37. Pump Settings: Following 20. Setting the initial light load advance checked at 2300 with the fuel adjusted to 35mm 3 /stroke 21. Resetting light load advance with speed advance plug checked at 1400 with fuel adjusted to 30mm 3 /stroke 38. Pump Settings: Following Adjusting the initial light load advance with pump at 0 RPM. 39. Pump Settings: Following Pump at 2300 ERPMs, fuel adjusted 35mm 3 /stroke advance at 6.5º
Model Type: Mechanical Pumps Page 14 40. Pump Settings: Following Trimming Light Load Advance with Speed Advance Plug adjustment, pump at 0 RPM. 41. Pump Settings: Following Checking final Light load advance setting: Pump at 1400 ERPM s, fuel adjusted to 30mm3/ stroke and Servo Speed Light Load Advance tool removed from pump. 4º of advance 42. Pump Settings: Following 22. Check Points
Model Type: Mechanical Pumps Page 15 43. Special Notes 23. Note service bulletin references 44. Special Notes Air timing procedure.