TM10-3930-660-20 5-16. FUEL FILTER HEAD -  SERVICE/REPLACE (Cont’ d) 1. 2. 3. 4. 5. REMOVE FILTER ELEMENTS (1) AND (4) FROM FILTER HEAD (5) AS DESCRIBED IN “SERVICE OF FILTER ELEMENTS” SECTION OF THIS PARAGRAPH . REMOVE NUT (10) AND FILTER HEAD (5) FROM  ENGINE. REMOVE AND DISCARD TWO SEALS (11) AND (12) FROM FILTER HEAD (5). IF NECESSARY,  REMOVE EXPANSION PLUG (13) FROM FILTER HEAD (5). IF NECESSARY, REMOVE STUD (14) FROM ENGINE . INSTALLATION 1. 2. 3. 4. 5. IF NECESSARY, INSTALL STUD (14) TO ENGINE . IF NECESSARY, INSTALL  EXPANSION  PLUG (13) TO FILTER HEAD (5). INSTALL TWO NEW SEALS (12) AND (11) TO FILTER HEAD (5). POSITION FILTER HEAD (5) ON ENGINE AND SECURE WITH NUT (10). INSTALL FILTER ELEMENTS (1) AND (4) TO FILTER HEAD (5) AS DESCRIBED IN “SERVICE OF FILTER ELEMENTS” SECTION OF THIS PARAGRAPH. 5-37