TM 5-3895-369-14
Post signs that read ` O SMOKING WITHIN 50 FEET (15 m)"when working with open fuel, fuel
N
lines or fuel tanks.
Use caution when loosening intake fuel fittings. Fuel pressure is sufficient to penetrate skin and
cause severe injury.
Do not work on fuel system when engine is hot; fuel can be ignited by a hot engine.
FUEL LINE INSPECTION
(1) Loosen bleed screw (1).
(2) Operate lever (2) on lift pump (3) until
fuel is airfree.
(3) Tighten bleed screw (1) 72 lb-in
(8 N ).
m
(4) Start engine (para 2-9).
(5) Loosen six fuel line fittings on
injectors one at a time until engine
runssmoothly.Tightensecurely.
(6) Turn engine off (pare 2-10[c]).
(7) If engine still runs rough, indicates
faulty valve clearance adjustment.
VALVE CLEARANCE
INSPECTION
(1) Disconnect negative battery cable
(2) Remove valve covers (para 4-31).
(3) Check valve clearance, (para 4-30).
(a) Intake valves clearance must
be 0.010 in. (0.25 mm).
(b) Exhaust valves clearance must
be 0.020 in. (0.51 mm).
(4) Install valve covers (para 4-31).
(5) Connect negative battery cable
4-47
