TM 9-2320-273-20
BRAKE SYSTEM.
9-19. PARKING BRAKE VALVE (Continued).
LOCATION/lTEM
ACTION
REMARKS
A . R E M O V A L .
1. Three quarter-turn screws (1).
Loosen.
2. Hinged panel (2).
Lower.
3. Roll pin (10).
Push out.
4. Control knob (11).
Remove.
5. Locknut (12).
Unscrew and remove.
6. Two wires (6).
Mark and disconnect
from sending unit (5).
Do not remove any air lines until pressure
is fully exhausted from all reservoirs.
7. Three air lines (14)
a. Label using masking tape
and marker pencil.
b. Unscrew and remove.
8. Valve (9).
Remove from dash panel.
B. INSPECTION OF LINES AND FITTINGS.
9. Air lines (14).
Inspect for:
a. Cracks.
b. Leaks.
c. Kinks.
d. Damaged threads.
C. INSTALLATION.
10. Fittings.
Lay new valve beside old valve
and remove fittings (13), (8)
and assembly (4) from old valve,
coat threads with Iiquid teflon
and install in new valve.
Replace if necessary.
9-64
