John Deere — Remove High Pressure Fuel Pump

A John Deere service procedure — check it applies to your exact model before use.

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Procedure

1. 1. Rotate engine with JDG820 Flywheel Turning Tool until
2. JDE81-4 Timing Pin engages timing hole in flywheel.
3. Engine should be at No.1 “TDC-Compression”.
4. 2. Verify engine is at No.1 “TDC-Compression”. Remove
5. screw (A) for window on injection pump gear. A
6. marked line on the gear (B) should be visible through
7. the window.
8. NOTE: If line is not visible, engine may be at No. 6
9. “TDC-Compression”. Rotate engine one full
10. revolution in running direction until JDE81-4
11. Timing Pin engages in flywheel again.
12. 3. Remove high pressure fuel lines (C).
13. 4. Remove fuel leak-off lines surrounding the high
14. pressure fuel pump (D).
15. 5. Disconnect low pressure fuel supply line from the fuel
16. supply inlet (E) on the high pressure fuel pump.
17. 6. Remove 3 capscrews (E) from fuel pump adapter plate
18. 7. Carefully remove high pressure fuel pump from front
19. cover.
20. Continued on next page

Source: manual:CTM220.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.