3-24. FUEL TANK MAINTENANCE
This task covers:
d. Cleaning and Inspection
General mechanics tool kit:
automotive (Appendix B, Item 1)
Access cover gasket (Appendix G, Item 1)
Fifteen locknuts (Appendix G, Item 58)
Adhesive (Appendix C, Item 1)
Sealing compound (Appendix C, Item 46)
Drycleaning solvent (Appendix C, Item 18)
Twelve O-rings (Appendix G, Item 160.1)
Battery ground cable disconnected (para. 4-73).
Rear propeller shaft removed (para. 6-4).
General Safety Instructions
Do not perform this procedure near fire, flames,
Cleaning will be done in a well-ventilated area
and a fire extinguisher will be kept nearby when
solvent is used.
Remove fuel tank filler cap (1).
Remove drainplug (3) from fuel tank (2). Allow fuel to completely drain into container.
Do not overtighten drainplug. Drainplug must not turn in hole.
Sharp edge of hole may cut rubber.
Install drainplug (3) flush with bottom of fuel tank (2) and tighten.
Disconnect large vent line (4) from filler spout (5).
Remove locknut (15), washer (12), capscrew (11), washer (12), and clamp (13) from vent line (4) and
body (14). Discard locknut (15).
Remove locknut (16), washer (7), capscrew (8), washer (7) and clamp (6) from filler spout (5). Discard
Loosen clamp (9) and remove hose (10) from filler spout (5).
Diesel fuel is highly flammable. Do not perform this procedure
near fire, flames, or sparks. Severe injury or death will result.
Have drainage container ready to catch fuel.