TM 10-3930-659-20 5-17.  FUEL FILTER REPLACEMENT. b. INSTALLATION 1. Position fuel filter (4) In spring retainer (3) and Install on fuel filter housing (5). 2. Install drain plug (7) on tee (6). FOLLOW-ON TASKS: • Bleed fuel filter and lines (see paragraph 5-16). • Close left engine upper sideshield (see TM 10-3930-659-10). TA706881 5-51