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 TM 55-1905-220-14-6
3-164.2. FUEL INJECTOR TUBE - MAINTENANCE 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 combustion
chamber. 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.
3-2730
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