TM 9-2320-273-20
COMPRESSED AIR SYSTEM.
9-15. SUPPLY RESERVOIR CHECK VALVE MAINTENANCE (Continued).
LOCATION/lTEM
ACTION
REMARKS
B. TESTING.
4. Check valve (1).
a. Connect to adjustable
pressure supply with
pressure gage between
valve and supply.
b. Gradually increase pressure.
If valve does not work properly,
Valve should begin exhaust- replace it.
ing air when pressure reaches
145-155 psi (1000-1069
kPa).
C. INSTALLATION.
5. Check valve (1).
a. Coat threads with liquid
teflon.
b. Screw into reservoir (3)
M915.
and tighten.
c. Screw into elbow (5).
M916 thru M920.
6. Elbow (4).
Screw into check valve (1).
M916 thru M920.
7. Air line (2).
Install and tighten.
D. OPERATIONAL CHECK.
8. Engine.
a. Start up (see TM 9-2320-
273-10).
b. Allow system to reach oper-
ating pressure of 105-120
psi (724-827 kPa).
9. Check valve (1).
Use soap solution to check for Tighten as necessary.
leaks.
10. Engine.
Shut down (see TM 9-2320-
273-10).
9-48
