TM 5-3895-369-14Post signs that read ‘NO SMOKING WITHIN 50 FEET (15 m) when working with open fuel, fuelliner or fuel tanks.Use caution when loosening intake fuel fittings. Fuel pressure is sufficient to penetrate skin andcause severe injury.Do not work on fuel system when engine is hot; fuel can be ignited by a hot engine.FUEL LINES AND FITTINGSINSPECTION.(1) Open left and right engine doors,(para 2-14).(2) Check fuel lines and fittings for leaks.(a) lf any fuel lines or fittings leak,tighten or replace as necessary(pare 447).(b) If fuel lines and fittings do notleak, indicates air in fuel lines.FUEL LINE INSPECTION(1) Loosen bleed screw (1).(2) Operate lever (2) on lift pump (3) untilfuel is airfree.(3) Tighten bleed screw (1) 72 lb-in(6 N°m).(4) Start engine (para 2-9).(a) if engine starts perform steps5 and 6.(b) If engine does not startindicates faulty valve clearanceadjustment(5) Loosen six fuel line fittings (5) oninjectors (6) one at a time and tightensecurely until engine runs smoothly.(6) Turn engine off (para 2-10[c]).4-39
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