TM 5-5430-211-13 & P3-19 4 INCH GATE VALVE ASSEMBLY - CONTINUEDITEMACTIONREMARKSINSPECTION1. Gate ValveExamine valve for dirt or grit.Foreign matter betweenWash all foreign matter from thethe gate (1) and thevalve.groove (2) will preventthe valve sealingproperly.Examine the mating faces (3) forReplace valve if damaged.damage.Examine packing box forReplace if faulty.evidence of water leakage.2. GasketsReplace.3. Coupling halvesExamine flat mating faces forReplace a coupling if toodamage.damaged.Examine camlock faces forReplace if damaged.damage.Examine camlock arms onReplace if damaged orfemale coupling.missing.Remove and discard all gaskets.Replace gaskets.3-63
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