TM 10-6640-239-13 5-16 5-10.    WATER SYSTEM PIPING (TYPICAL). This task consists of: a.   Remove b.   Install INITIAL SET-UP Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 1) Materials/Parts Required Teflon Tape, (Appendix E, Section II, Item 139) Reference TB-SIG-222, Soldering Methods and Equipment REMOVE Remove Water System Piping.  See Figure 5-6. a. Disconnect union(s) (1) closet to elbow (2), valve (3), coupling (4) or piping component to be removed. b. Remove pipe clamps (5), supports, and braces from pipe section (6) as required. c. Remove pipe section (6) from unit. d. Unsolder/unbraze to remove union (1), elbow (2), valve (3), couplings (4) or pipe component from pipe section (6). INSTALL Install Water System Piping.  See Figure 5-6. a. Solder/braze unions (1), elbow (2), valves (3), coupling (4), or pipe components to pipe section (6). b. Position pipe section (6) in unit. c. Connect unions (1) to pipe section (6). d. Install braces, supports and pipe clamps (5) on pipe section (6) as required. e. Prepare and operate water system using internal water tank as source in accordance with procedures listed in paragraph 2-6j. f. Inspect for leaks and check for proper operation.