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 TM 5-1940-277-20
TM 1940-20/2
CAUTION
Ensure antiseize compound does not contact fuel drain hole.
Failure to comply may cause damage to equipment.
1.
Apply light coat of antiseize compound on threads of injector (3) and nut (1).
2.
Install new gasket (2) on nut (1).
3.
Position nut (1) on injector (3).
4.
Install new saddle washer (5) on bottom of injector (3).
CAUTION
Ensure cylinder head bore is clean and there are no copper
washers at bottom of bore. Failure to comply may result in
damage to equpment.
5.
Position protrusion on injector (3) with notch on cylinder head bore (6); install fuel injector (3) in
culinder head (4).
6.
Using 3/4 inch wrench hold injector (3), and with 7/8 inch wrench, tighten nut (1) to 44 lb-ft
(60 Nm).
7.
Install fuel return manifold and fuel high pressure lines (refer to paragraph 3-124.1). Do not
tighten.
8.
Connect battery ground cable (refer to paragraph 3-90).
WARNING
Crank engine to ensure fuel flows through the injector pump and
fuel lines to vent air from lines. The engine may start; ensure all
safety precautions for starting the engine are followed. Failure to
comply may result in injury to personnel and/or damage to
equipment.
9.
Crank engine to allow entrapped air to vent from high pressure lines (7). When fuel without air
comes from line (7), using a 5/8 inch wrench, tighten nut (8) to 22 lb-ft (30 Nm). If necessary, repeat
step for all injectors.
10.
Close battery hatch.
11.
Close engine hatches.
Change 2
3-272.3
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