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
