TM   5-4220-231-14&P 5-15.   Primary High    Pressure (HP)   Filter     (CRS). See    Figure    5-14. This   task    covers: Repair INITIAL   SETUP Tools Equipment Conditions General Mechanics Tool    Kit Remove High   Pressure Filter   (Para. 4-32) O-ring     Installation and    Replacement Tool Materials/Parts Reference Bags,     Plastic     (Item   6,  Appendix D) Para.     3-13    Maintenance and     Reentry Control Procedures Element, 13229E4599-4 Grease, Halocarbon (Item    13,   Appendix D) Filter,    High    Pressure 13229E4599-2 lsopropyl Alcohol    (Item    1  or  2,   Appendix D) O-ring,    M83248/2-910 (1) O-ring,    M83248/2-920 (1) Rags, clean, lint-free    (Item    15,   Appendix D) Silicone Compound (Item   9,  Appendix D) Water,     Distilled    (Item   10,   Appendix D) Nonionic Detergent Solution (NID)   GP (Item    17,   Appendix D) WARNING Inspect all  seating and   threads for   damage that    might    cause leaks or  faulty    operation. Replace any    defective items. CAUTION Clean     non-metal parts    with   clean     rags    (Item    15,   Appendix D),  or use    isopropyl alcohol     (Item   1  or  2,  Appendix D)  followed by  a   thor- ough     rinse    in  clean     water     (Item    10,   Appendix D).  Any   other    solvents may   cause damage to   parts. NOTE Perform in  a   clean     environment. NOTE Clean     metal     parts    with   nonionic     detergent solution     (NID)   (Item    17, Appendix D).  Wipe    with  clean    rags    (Item    15,   Appendix D)  to   get desired level   of  cleanliness. Change 1 5-59