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 TM 55-1905-220-14-11
5-72.
FUEL INJECTOR - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
OVERHAUL-ASSEMBLY (Cont)
When installing a new -spray tip assembly in a former
injector, a new valve spring seat must be installed.
The current needle valve has a shorter quill.
f. Needle
1. Insert needle valve,
valve
tapered end down, in-
(9)
side the spray tip.
2. Then, place the spray
tip and needle valve
on top of the spring
cage with the quill
end of the needle
valve in the hole in
the spring cage.
g. Injector
1. Lubricate the threads
nut (8)
in the injector nut.
Carefully thread the
nut on the injector
body by hand. Rotate
the spray tip between
your thumb and first
finger while threading
the nut on the injector
body. Tighten the nut
as tight as possible
by hand. At this point
there should be suffic-
ient force on the spray
tip to make it impos-
sible to turn with your
fingers.
2. Use socket J4983-01 and
a torque wrench to
tighten the injector
nut to 75-85 lb-ft
(101.7-115.2 Nm) torque.
5-1038
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