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 TM 55-1905-219-14-10
5-9. FUEL INJECTOR - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
OVERHAUL - ASSEMBLY ( Cont)
f.
Needle
1. Insert the needle
valve
valve, tapered end
(9)
down, inside of 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
and 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 injec-
tor body. Tighten
the nut as tight as
possible by hand. At
this point there should
be sufficient force on
the spray tip to make
it impossible 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.
NOTE
Do not exceed the specified torque. Otherwise, the nut may be stretched and
result in improper sealing of the lapped surfaces in a subsequent injector overhaul.
5-282
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