ARMY TM 9-2815-254-24
AIR FORCE TO 38G1-94-2
Diesel fuel is flammable and toxic to eye-s, skin, and respiratory tract.
Skin/eye protection required. Avoid repeated/prolonged contact. Good
general ventilation is normally adequate.
Thoroughly wash all disassembled parts in clean diesel fuel.
Check each part carefully. If they are damaged or worn excessively, replace them.
Replace all gaskets and preformed packings. Do not reuse them.
3-11.3.1. Injection Pump.
Check that plunger helix (FIGURE 3-17) is not damaged, that color of plunger and plunger barrel (37, FIGURE
3-8) have not changed and that Plungers move smoothly in barrels. If there are any problems, replace plunger
and barrel as an assembly.
FIGURE 3-17. Plunger Helix
Ensure that plunger (24) slides smoothly into barrel (37) under its own weight when the assembly is inclined
approximately 60 degrees. Change plunger position by rotating it and check plunger movement several times
as above. If plunger does not slide smoothly, replace plunger and barrel as an assembly, refer to FIGURE