TM 10-3930-671-24 Fuel is very flammable and can explode easily.  To avoid serious injury or death, keep fuel away from open fire and keep fire extinguisher within easy reach when working with fuel.  Do not work on fuel system when engine is hot.  Fuel can be ignited by hot engine.  When working with fuel, post signs that read NO SMOKING WITHIN 50 FEET (15 m) of vehicle. (n) Remove screw (29), two clips (30), washer (31), lockwasher (32), and nut (33) from fuel pipes (1 and 20). Discard lockwasher. (o) Remove two fuel pipes (1 and 20) from two fittings (34 and 35). (p) Remove two fittings (1) and 35) from fitting (36) and fuel injector pump (37). (3) To install fuel lines and pipe, proceed as follows: (a) Install two fittings (34 and 35) on fitting (36) and fuel injector pump (37) as noted during removal. (b) Install two fuel pipes (1 and 20) on two fittings (34 and 35) as tagged and marked during removal. (c) Install two clips (30) on fuel pipes (1 and 20) with screw (29), washer (31), lockwasher (32), and nut (33). Tighten screw 8 Ib-ft (11 N-m). (d) Install  two  fuel  pipes  (1)  and  (20)  on  engine  (24)  with  two  clips  (28),  washer  (27),  lockwasher  (26),  and screw (25).  Tighten screw 8 Ib-ft (11 N-m). (e) Install clip (23) on fuel pipe (20) and engine (24) with lockwasher (22) with screw (21).  Tighten screw 8 Ib-ft (11 Nom). (f) Install fitting (19) on fuel pipe (20). (g) Install fuel line (18) on fitting (19) and fuel shutoff valve (Para 3-17b). 3-33