TM 55-2840-231-23
2-4.1 Bleed Valve Cleaning to Restore Lost Compressor Performance - Continued
ENGINE/-Continued
Sewing Thread (item 54, Appendix D)
Insert a sewing thread
through the jet hole. Slide
the jet back and forth on
the thread to remove film.
Clean the nozzle in the
same manner.
NOTE
If the jet must be replaced, return the
bleed valve to overhaul for part
replacement and recalibration of the
valve assembly.
Do not use a probe to remove
particles lodged in the jet or
nozzle.
g. Inspect the jet and the
nozzle using a flashlight.
Place the part on the
center of the lens so the
light can be seen through
the hole. Reclean the part
if any particles or coating
can be seen.
h. Install the jet in the
bleed valve. Tighten to
8-12 lb in.
i. Place the filter in the
bleed valve (skirt end
first ). Secure with an
internal retaining ring.
Lockwire (item 17, Appendix D) .
j. Install the nozzle in the
bleed valve. Tghten to
50-60 lb in. and secure
with lockwire.
Change 11
2-14.3
