TM 9-2320-273-20
AUXILIARY AIR-POWERED COMPONENT SYSTEMS.
9-44. DIFFERENTIAL LOCKUP CONTROL VALVE MAINTENANCE (Continued).
LOCATION/lTEM
ACTION
REMARKS
2. Air lines (3) and (4).
3. Air lines (3) and (4).
4. Valve (2).
5. Engine.
6. Valve (2).
7. Engine.
a. Unscrew and remove.
b. Inspect for:
1. Cracks.
2. Leaks.
3. Damaged fittings.
Screw into valve (2) and
tighten.
Remount in instrument
panel and install two
screws (1).
Start up (see TM 9-2320-273-10).
Allow system to reach operat-
ing pressure of 105-120 psi
(724-827 kPa).
Engage, use soap solution to
check for leaks.
Shut down (see TM 9-2320-
Replace if necessary.
273-10).
NOTE
Follow-on maintenance action required:
Install differential lockup switch; refer
to para 5-83B.
9-196