TM 9-2330-357-14&P
4-33. AIR COUPLING REPLACEMENT (Con't).
2.
Inspect for cracks, dents, holes, and warps.
3.
Inspect for rust, corrosion, or marred finish.
c. INSTALLATION
1.
If removed, install new preformed packing (4) into air coupling (3).
2.
Uncap air line.
3.
Install air coupling (3) to fitting (2).
4.
Tighten nut (1).
FOLLOW-ON TASKS:
Connect tractor truck to air lines to semitrailer (para 2-10).
Pressurize airbrake system (para 2-10) and check for leaks.
4-63