TM 5-3810-306-20SINGLE CHECK VALVE REPLACEMENTTOOLS: General mechanic’s tool kit: automotive (5180-00-177-7033)SUPPLIES:NoneEQUIPMENT CONDITIONS: Wheels are chocked.Disconnect ground cable at shunt. (Refer to page 8-109.)Air system is purged. (Refer to page 11-2.)REMOVAL:NOTESingle check valve removed fromprimary air reservoir. Use thisreplacement procedure for othersingle check valves.1.REMOVE SINGLE CHECK VALVE (1).a.Tag and disconnect air lines from single checkvalve (1). Plug air lines.b.Remove single check valve (1) from reducerfitting (2) in primary reservoir (3).c.Remove reducer fitting (2). Retain forinstallation or replace if damaged.INSTALLATION:1.INSTALL SINGLE CHECK VALVE (1).a.Install reducer fitting (2) on primary reservoir (3).Install single check valve (1) in single checkvalve (1) in reducer fitting (2).b.Remove tags, plugs and connect air lines tosingle check valve (1).2 CONNECT GROUND CABLE AT SHUNT. (REFERTO PAGE 8-109.)3.START-UP ENGINE AND ALLOW AIR PRESSURETO BUILD UP. (REFER TO TM 5-3810-306-10.)4.CHECK ALL AIR OPERATED FUNCTIONS.(REFER TO TM 5-3810-306-10.)END OF TASK11-32
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