TM 55-1905-221-14-4
6-31. FUEL INJECTORS (Continued).
LOCATION/ITEM
ACTION
REMARKS
INSPECTION (Cont)
j. The injector valve spring
plays an important part in
establishing the valve opening
pressure of the injector
assembly. Replace the worn or
broken spring.
k. Inspect the sealing surfaces
of the injector parts
indicated by arrows below.
l. Examine the sealing surfaces
with a magnifying glass as
shown below for even the
slightest imperfections that
will prevent the injector from
operating properly. Check
for burrs, nicks, erosion,
cracks, chipping and excessive
wear. Also check for enlarged
orifices in the spray tip.
6-574