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 TM 55-1905-219-14-6
3-164.2. FUEL INJECTOR TUBE - MAINTENACE INSTRUCTIONS (Continued)
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION (Cont.)
c. Hand
Ream the bevel seat in
the injector tube:
The tapered lower end
of the injector tube must
provide a smooth and
true seat for the lower
end of the injector nut
to effectively seal the
cylinder pressures and
properly position the
injector tip in the com-
bustion chamber. There-
fore, to determine the
amount of stock that
must be reamed from the
bevel seat of the tube, the
injector assembly should be
installed in the tube and the
relationship between the
numbered surface of the
spray tip to the firedeck
of the cylinder head noted.
3-2762
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