TM 5-3805-262-343-22. CONTROL VALVE ASSEMBLY MAINTENANCE (CONT)g. CircuitReliefValves(Cont).DISASSEMBLY (SHEET 1 OF 2)Dry cleaning solvent P-D-680 used to clean parts is toxic and flammable.Wear protective goggles and gloves and use only in a well ventilatedarea. Avoid contact with skin, eyes and clothes and don’t breathevapors. Do not use near open flame or excessive heat and don’t smokewhen using it. Failure to do so could cause serious injury. If you be-come dizzy while using cleaning solvent, get fresh air and medicalattention immediately.If contact with skin or clothes is made, flushwithwith(1)large amounts of water.If contact with eyes is made, wash eyeswater and get medical aid immediately.Clean all dirt and grease from controlvalve assembly using cleaning solventP-D-680. Dry using clean cloths.NOTEDo not mix parts from onecircuit relief valve withparts from another circuitrelief valve. Keep matingparts together.(2)(3)(4)(5)(6)(7)Using paint, put identifyingnumbers on circuit reliefvalves and control valve bodyas shown.Using open end wrench, removebody (1) from control valvebody .Put body (1) in a soft jawedvise with expansion plug (2)upwards .Using 1/4 inch diameter drillbit, drill hole in center ofexpansion plug (2).Pry expansion plug (2) frombody (1) using drive pin punch.Remove plug (3).3-698
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