TM  5-4220-231-14&P 5-14.   Shutoff Valve     Cartridge (CRS). See    Figure     5-13. This    task    covers: Repair INITIAL   SETUP Tools Equipment Conditions General Mechanics Tool    Kit Remove Shutoff     Valve    Cartridge With   Handle (Para. 4-31) O-ring    Installation and    Removal Tool materials/parts Reference Bags, Plastic    (Item   6,  Appendix D) Para     3-13    Maintenance and     Reentry Control Grease, Halocarbon (Item    13,   Appendix D) Procedures Valve,     Shut    Off   Cartridge 13229E4571 Soft   Good     Kit,  CPV     13230E4946 Silicone     Compound (Item    9.  Appendix D) Nonionic     Detergent Solution     (NID)   GP (Item    17,  Appendix D) WARNING Inspect all  seating and    skiing metal     surfaces for  damage that    might cause leaks    or  faulty    operation. Replace any   detective items. NOTE Perform in  a  clean environment. NOTE Clean metal    parts    with   nonionic detergent solution (NID)   (Item    17, Appendix D).  Wipe    wkh   clean rags    (Item    15,   Appendix D)  to   get desi,ed level   of  cleanliness. NOTE Lubricate threads and    sliding     contact surfaces before reassembly with   halocarbon grease (Item    13,   Appendix D). NOTE O-ring    (14)   is  installed between mating     surface and    shutoff    valve cartridge whh   handle (1).   and    is  removed, cut,   and    discarded when valve    is  removed (left-hand threads). Change 5 5-55