TM  5-4220-231-14&P 4.22 Shutoff Globe     Volvo    (DASS). This   task    covers: Replace lNITlAL   SETUP Tools Equipment Condition General Mechanics Tool    Kit Release all  air   from    DASS    manifold. O-ring     Installation and     Removal Tool Ford    Wrench Materials/Parts Reference Shut Off  Globe     Valve, 13229E4663 Para. 4-19,    General O-ring,   M83248/2-210 (2) Silicone     Compound (Item    9,  Appendix D) Nonionic     Detergent Solution     (NID)   GP (Item    17,   Appendix D) a. Remove (1) Determine which   globe valve is  to   be replaced. There are two identical globe valves on the front and rear panel of the DASS. These procedures are applicable to  either of the    globe valves. GLOBE VALVE (2) Loosen tailpiece (7)   from   supply-out 5 globe valve (5) by positioning a wronch on the union nut (6) and turning counterclockwise. Remove, cut,   and   discard O-ring    (8). 7 6,8 5 Change 5 4-65