TM 5-3805-262-343-22. CONTROL VALVE ASSEMBLY MAINTENANCE (CONT)e. MainReliefValve(Cont).(1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)InstallInstallvalve sleeve (20) innew backup ring (19)grooves. O-ring is installedseat.valve seat (17) if removed.and new O-ring (18) in valve seat (17)in groove next to smaller diameter of valvePut valve seat (17) in control valve body.Install new O-ring (16) on plug (15).Lubricate O-ring (16) using clean lubricating oil then install and tight-en plug (15).Install poppet (14), spring (13), and plunger seat (12) in control valvebody.Install relief plunger (11) and spring (10) in valve cap (1).Put valve cap (1) in a vise.If removed, put nut (8) on setscrew (7) then put washer (9) on setscrew.Turn setscrew into valve cap (1) the same number of turns recorded duringdisassembly.Using screwdriver, hold setscrew (7) stationary and tighten nut (8).InstallInstallInstal 1cap (1).washer (6) on setscrew (7) and nut (8).and tighten acorn nut (5).new O-ring (4), new backup ring (3), and new O-ring (2) on valveInstall and tighten valve cap (1).Install control valve assembly (page 3-654) and adjust main relief valvepressure setting (page 3-617).3-692
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