TM 5-4310-384-13
INSPECTION.
NOTE
Air tank should be under pressure to check shutoff valve for leaks.
a.
Run compressor until unit kicks off (tank pressure close to 190 psi).
b.
Apply soap solution to shutoff valve (1 ) and check for leaks.
c.
With valve in closed position, check if air continues to flow.
d.
Replace valve if leaks continue.
REMOVAL.
WARNING
Disconnect main power and turn compressor unit off before performing maintenance procedures.
a. Disconnect main power and turn compressor switch OFF.
WARNING
Air pressure in tank must be discharged before removal of shutoff valve. Removal under pressure could
cause serious injury.
b.
Open drain cock (2) and completely relieve tank pressure. Make sure shutoff valve (1 )is open so pressure in air
hose is also relieved. Close drain cock.
c.
Unscrew air hose assembly (3).
d.
Unscrew adapters (4).
e.
Unscrew shutoff valve from elbow (5).
INSTALLATION.
a.
Install shutoff valve (1) on elbow (5).
b.
Install adapters (4).
c.
Install air hose assembly (3).
d.
Check that drain cock (2) is securely closed.
e.
Connect main power.
f.
Run compressor and inspect shutoff valve and fittings for leaks and proper operation.
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