TM 9-2320-272-24-l
3-197. BRAKE PEDAL (TREADLE) VALVE REPLACEMENT (Contd)
7.
Remove
air hoses (3), (4), and (6) from adapters (2), (5), and (7).
8.
Remove
adapters (2), (5), and (7) from firewall (8).
9.
Remove
three locknuts (1) and brake pedal valve (9) from firewall (8). Discard locknuts (1).
Remove
three studs (10) from brake pedal valve (9).
10.
Remove
two brake pedal valve adapters (12) from brake pedal valve (9).
11.
Remove
pressure relief valve (11) from brake pedal valve (9).
12.
If new brake pedal valve is being installed, use attaching parts
and fittings from old brake pedal valve.
Fittings must be cleaned and inspected for cracks and stripped
threads.
Wrap all male pipe threads with antiseize tape before
installation.
1.
Install pressure relief valve (11) in brake pedal valve (9).
2.
Install two brake pedal valve adapters (12) in brake pedal valve (9).
3.
Install three studs (10) in brake pedal valve (9).
4.
Install brake pedal valve (9) on firewall (8) with three new locknuts (1).
5.
Install adapters (2), (5), and (7) on firewall (8).
6.
Install air hoses (3), (4), and (6) on adapters (2), (5), and (7).
7.
Install pipe (20) and tee (19) on firewall (8).
8.
Install adapter (15) on firewall (8).
9.
Connect air hose (16) to adapter (15).
Install adapters (14) and (18) on tee (19).
10.
Connect air hoses (13) and (17) to adapters (14) and (18).
11.
Connect two air lines (21) to brake pedal valve adapters (22).
12.
3-538
