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 TM 55-1905-221-14-2
5-18. FUEL INJECTOR (Continued).
LOCATION/ ITEM
ACTION
REMARKS
TESTING (Cont)
13. Spray
a. With the injector in the FULL
Pattern
FUEL position, stroke the pump
Test
operating handle to maintain a
fuel pressure just below the
valve opening (pop) pressure
(step 10).
b. Pop the injector several times
with the popping handle and
observe the spray pattern at
the spray tip orifice. Fuel
should be discharged from each
orifice, and the spray should
produce a uniform pattern.
c. If the spray tip does not pro-
duce a uniform pattern, clean
spray tip orifice during the
overhaul of the injector.
5-415
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