TM 9-2330-359-14&P
4-40. AIR COUPLING MAINTENANCE (M872A3) (Con’t).
3.
Remove elbow (3) from flange (5) and nose box (1).
4.
Remove two screws (4), flange (5), elbow (6), and air coupling (7) as an assembly from nose box (1).
b.
DISASSEMBLY
1.
Remove flange (5) and elbow (6) from air coupling (7).
2.
Remove two screws (10) and flange (9) from air coupling (7).
3.
Remove dummy coupling (11) and preformed packing (8) from air coupling (7). Discard preformed packing.
1.
Install new preformed packing (8) and dummy coupling (11) in air coupling (7).
2.
Install flange (9) on air coupling (7) with two screws (10).
3.
Apply antiseize tape to male threads of elbow (6), and install elbow and flange (5) on air coupling (7).
TA508038
4-72
