0069
TM 1-1740-221-13&P&P
INJECTORS - (CONTINUED)
REMOVAL
WARNING
The use of Personal Protective Equipment (PPE) is required when using or handling hazardous
materials associated with operating and maintaining equipment (jet fuel, hydraulic luid, brake
luid, ethylene glycol, cleaning solvents, compressed air, and engine/axle oil). Failure to use
PPE when handling these materials could result in injury or death.
1.
Disconnect battery negative cables (WP 0111).
2.
Open engine cover (WP 0028).
WARNING
Fuel vapors create ire and explosion hazards. Do not allow any open lame, smoking materials,
or other potential ignition sources near fuel or the fuel system.
NOTE
A small amount of fuel will be present when removing fuel lines. Use rags appropriately.
3.
Loosen 4 injector line ittings (Figure 1, Item 4) at injection pump and injectors.
4.
Remove 4 fuel lines (Figure 1, Item 4).
5.
Loosen 2 hose clamps (Figure 1, Item 2) from overlow hoses (Figure 1, Item 1).
6.
Remove hoses (Figure 1, Item 1) from fuel low pipe assembly (Figure 1, Item 3).
7.
Remove fuel low pipe assembly (Figure 1, Item 3) from injectors.
8.
Remove defective injectors (Figure 1, Item 6).
END OF TASK
INSTALLATION
1. Install injector(s) (Figure 1, Item 6) with crush washer and seal.
2. Torque fuel injector(s) to 37 to 50 ft. lbs..
3. Install fuel low pipe assembly (Figure 1, Item 3) on injectors (Figure 1, Item 6).
4. Install 2 hoses (Figure 1, Item 1) to fuel low pipe assembly (Figure 1, Item 3).
5. Tighten 2 hose clamps (Figure 1, Item 2).
6. Loosely install 4 injector lines (Figure 1, Item 4) at injector pump/injectors.
7. Torque injector pipes to 17 to 26 ft. lbs.
8. Air-bleed fuel system (WP 0065).
9. Connect battery negative cables (WP 0111).
10. Perform Maintenance Operation Check.
11. Close engine cover (WP 0028).
END OF TASK
END OF WORK PACKAGE
00692
