TM 9-2610-200-14 2-24 CHAPTER 2. CARE, MAINTENANCE, AND INSPECTION (Con't) SECTION III.  UNIT MAINTENANCE (Con't) 2-26. VALVE CORE REPLACEMENT. This Task Covers: a.  Removal b. Installation Initial Setup: Tools/Test Equipment: Shop equipment, automotive maintenance and repair, Organizational Maintenance, common no.1 (Item 1. Appendix B) Pneumatic tire valve repair tool (valve core extractor) (Item 46, Appendix B) a.   REMOVAL 1. Remove valve cap (3) from valve stem (1). 2. Deflate tire by removing valve core (2) from valve stem with valve core extractor.  Run a piece of wire through valve stem (1) to ensure that it is not plugged.   3. With tire completely deflated, install valve cap (3) onto valve stem (1).   This will protect valve   stem threads. b.  INSTALLATION                 NOTE               If this procedure is being performed as Follow-On Maintenance, Step 1 may not                                          apply. 1. Remove valve cap (3) from valve stem (1) 2. Install valve core (2) in valve stem (1) using a valve core extractor.