TM10-3930-660-20 5-14. FUEL SUPPLY LINES - REPLACE This  task  covers: a. Removal b. Installation Initial Setup — Tools Materials/Parts Tool Kit, Automotive Mechanics Loctite 59241 (App. C, Item 42) Sealing  Washers  (10) Sealing  Washers  (15) Equipment  Condition Seals (20) Vehicle parked on level ground. WARNING DO not smoke or allow open flame or sparks in the vicinity while working on any part of fuel system. Diesel fuel is highly flammable and can cause injury or death if accidentally ignited. 1. REMOVE SUPPLY LINE (1). a. b. c. d. Loosen nut (2) on line (1) at pump (3). Tag and disconnect female plug of vehicle wiring harness (4) from male plug of fuel pressure sender (5)  . Disconnect hose (6) from adapter (7). Remove sender (5) from tee (8).  Remove  adapter  (7),  tee  (8), and fluid passage bolt (9) as an assembly. Remove supply line (1) from engine and pump (3). Remove and discard two sealing washers (10) at end of line (1). 5-30