TM 10-3930-659-20 5-18.  FUEL FILTER HOUSING 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). • Two lockwashers •    Fuel filter removed (see paragraph 5-17). References: Tools/Test Equipment: • TM 10-3930-659-10 •    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 housing. 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. Loosen fuel line (2). 2. Remove   two   fuel   lines   (3)   from   fuel   filter housing (4). 3. Remove fuel line (6) from tee (5). 4. Remove fuel line (7) from elbow (1). 5-52