TM 5-4310-385-13
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.
Be sure screw (2) is tight.
d.
Check lever (3) for smooth turning. Replace valve if leaks continue or lever is hard to turn.
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(7) 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 fitting (4) and remove hose.
d.
Unscrew bushing (5) from valve (1).
e.
Unscrew shutoff valve from pipe nipple (6).
INSTALLATION.
a.
Install shutoff valve (1) on pipe nipple (6).
b.
Install bushing (5) to valve.
c.
Install air hose fitting (4).
d.
Check that drain cock (7) 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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