TM 9-2320-273-34
CHAPTER 3
REPAIR OF FUEL SYSTEM
3-1. General.
This chapter provides repair information for the fuel tank. All other fuel system repairs at
Direct Support and General Support Maintenance levels are covered in the Engine Technical Manual,
TM 9-2815-222-34.
3-2. Fuel Tank Repair.
Repairs are limited to sheet metal straightening and welding. For repairs of this
type, refer to the following:
a.
Metal Body Repair and Related Operation – FM 43-2
b.
Welding Theory and Application – TM 9-237
3-3. Fuel Tank Construction.
To assist in repairs, observe the following material composition:
a.
Mounting Bracket – Steel, SAE1010-1020 HR P&O #10 Ga (0.1345-inch thick)
b.
Tank and Baffles – Aluminum, 5052H32 or H34 (0.125-inch thick)
c.
Steps – Aluminum, 5052H32 or H34 (0,104-inch thick)
34. Cleaning.
a.
Wire brush all welded areas and remove any existing weld splatter.
b.
Vacuum interior.
3-5.
Testing, After all structural repairs, test tank at 10 psi air pressure with tank submerged in water.
Check for leaks.
3-1