6-16. Fuel Injection Pump

Figure 6-11. Compressor Crankcase, Replace.

Figure 6-12. Fuel Injection Pump, Repair.

TM-5-4310-387-14 Compressor Unit Diesel Engine Driven 20 CFM 3200 PSI Model K-20-D Manual
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TM 5-4310-387-14 6-16. Fuel Injection Pump This task covers: Repair INITIAL SETUP Tools General Mechanic's Tool Kit (NSN 5180-00-177-7033) Materials/Parts Washer, Delivery Valve Dry Cleaning Solvent (Item 21, Appendix E) Rags, Wiping (Item 19, Appendix E) Equipment Condition Fuel injection pump removed (para. 5-28). Repair. (figure 6-12) (1) Remove delivery valve holder (1), delivery valve spring (2), delivery valve (3), delivery valve washer (4), and pump element (5). WARNING Dry cleaning solvent, PD-680 used to clean parts is potentially dangerous to personnel and property. Avoid repeated and prolonged skin contact. Do not use near open flame or excessive heat. Flash point of solvent is 138°F (60°C). (2) Clean all items with dry cleaning solvent and dry thoroughly. (3) Inspect pump element (5)and replace if bent, cracked or otherwise damaged. (4) Inspect delivery valve (3) and replace if cracked or bent. (5) Inspect delivery valve spring (2) and replace if cracked or deformed. (6) Inspect delivery valve holder (1) and replace if bent or cracked. (7) Inspect roller tappet (6) and replace if worn, scored, or roller has excessive play. (8) Inspect fuel pump (7) and replace if body is cracked or spring (8) is cracked or deformed. (9) Install pump element (5), new delivery valve washer (4), delivery valve (3), delivery valve spring (2) and delivery valve holder (1). 6-40

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