ARMY TM 9-6115-464-34
AIR FORCE TO 35C2-3-445-2
NAVY NAVFAC P-8-624-34
3-16. MAIN FUEL TANK (METAL).
a. Removal.
(1) Refer to the Operator and Unit Manual and accomplish the following:
(a) Drain the main fuel tank assembly.
(b) Disconnect fuel lines and fittings from main fuel tank.
(c) Disconnect fuel vent system from main fuel tank.
(d) Disconnect engine wiring harness from fuel level gauge.
(e) Remove left and right ventilation doors, ventilation louver panel, and Iower cover panels from rear
of generator set housing.
(2) .Remove nut (1, figure 3-18), lockwasher (2), screw (3), clamps (4), filler neck (5), and hose (6).
(3) Remove screws (7), lockwasher (8), adapter (9), and gasket (10).
(4) Remove locknut (11), and flatwasher (12), from strap (13).
(5) Remove screws (14), Iockwasher (15), fuel level switch (16), and fuel Ievel switch gasket (17).
Replace gasket if damaged.
(6) Remove cap (18) and drain valve (19) from metal fuel tank (20).
b. Cleaning, Inspection, and Repair.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
3-42
WARNING
Solvent, Dry Cleaning P-D-680, Type II is flammable and moderately toxic to skin,
eyes and respiratory tract. Eye and skin protection required. Good general ventilation
is normally adequate. Failure to observe this warning could result in servere personel
injury.
Clean exterior surfaces of fuel tank and other non-electrical parts with dry cleaning solvent (Federal
Specification P-D-680).
Flush interior of fuel tank with an approved solvent.
Inspect fuel tank assembly for cracked or broken welds, dents, leaks, and other damage.
Test fuel level sensor in accordance with instructions provided in Operator and Unit Maintenance
Manual.
Check filler hose for damage or deterioration.
Check all threads for crossing, stripping, and peening.
WARNING
Steam clean interior of fuel tank for a minimum of 2 hours to remove residual vapors
before attempting to repair welds. Serious injury or death may result from failure to
observe this warning. Failure to observe this warning could result in servere personel
injury.
Repair cracked or broken welds and leaks by welding. Refer to Appendix A for detailed instructions.
Repair damaged threads with a thread chaser.
Replace any parts which are extensively damaged.
