TM 10-3930-659-20 5-17.  FUEL FILTER REPLACEMENT. This task covers: a. Removal b. Installation INITIAL SETUP: Equipment Conditions: Materials/Parts: •    Battery disconnect switch in OFF position (see • Rags (Item 27, Appendix C) TM 10-3930-659-10). •    Left engine upper sideshield opened (see TM 10- References 3930-659-10). • TM 10-3930-659-10). Tools/Test Equipment: •    General mechanic's tool kit (Item 44, Appendix F) General Safety Instructions: •    DO NOT perform this procedure near fire, flames, or sparks. WARNING Diesel fuel is combustible.  DO NOT smoke or allow open flame near fuel filter. Failure   to   follow   this   warning   will   result   In   death   or   serious   Injury   to personnel.  If you are burned, Immediately seek medical aid. NOTE A suitable container should be used to catch any draining fuel.  Ensure that all spills are properly cleaned. a. REMOVAL 1. Remove drain plug (7) from tee (6). 2. Press tab (1), lift tab (2), and remove spring retainer (3) and fuel filter (4) from fuel filter housing (5). 5-50