TM5-6115-585-34NAVFAC P-8-262-12TO-35C2-3-455-2TM-05684C-341. Retaining plate screw (2)14. Copper gasket27. Spring ring2. Tab washer (2)15. Head retaining screws (4)28. Face gear3. Control unit retaining plate16. Head retaining clamps (4)29. Thrust washerand stop assembly17. Head assembly30. Plunger drive pin4. Control unit assembly18. Head"O" ring31. Timing screw5. Plunger sleeve pin19. Head “O” ring32. Gasket6. Pump housing20. Tappet7. Cap nut33. “O” ring21. “O” ring34. Plunger sleeve8. Gasket22. Button spring ring35. Plunger9. Delivery valve holder23. Plunger button36. Control unit bore10. Valve spring24. Lower spring seat washer37. Pin11. Delivery valve assembly25. Seat38. Flatwasher12. Valve spacer26. Plunger spring39. Lockwasher13. Locating screw40. NutTS 6115-585-34/7-34(2)Figure 7-34. Disassembly of Fuel Injection Pump (Sheet 2 of 2)(7) Remove the hydraulic head locating screw (13)and copper gasket (14).(8) Remove the four head retaining screws (15)and the four head retaining clamps (16). Carefullyrest tappet on clean surface and using shaft head,hammer pump body assembly until hydraulic headassembly separates from body assembly.(9) Remove the “O” rings (18 and 19) from thehydraulic head and the pump housing.(10) Remove the tappet (20) and related “O” ring(21) from the face gear bore.(11) Remove the spring ring (22) and the plungerbutton (23) from the end of the plunger (the plunger ispart of hydraulic head assembly).(12) Invert the hydraulic head assembly and placeit in a suitable arbor press (see figure 7-35).(13) Position tool TSE 76215 over the lower springseat washer (24, figure 7-34) and depress the plungerspring, then remove the lower seat (25).(14) Remove lower spring seat washer (24, figure7-34) and plunger spring (26).(15) Place the hydraulic head assembly on abench. Using two screwdrivers to carefully pry offthe face gear (28), then remove the thrust washer (29).(16) Do not remove the plunger (35) out of thehydraulic head.NOTEThe Plunger, Plunger Sleeve and HydraulicHead are mated Parts and must ALWAYS bekept together.c. Inspect (see figure 7-34).(1) Place the delivery valve assembly in testfixture TSE 76226 and secure in a suitable vise (seefigure 7-36).Figure 7-35. Removing Lower Spring Seat7-33
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