TM 55–2840–254–23
2–46 Change 7
END OF TASK
2–12 REPAIR COMPRESSOR BLEED BAND
2–12
INITIAL SETUP
Applicable Configurations:
All
Tools:
Technical Inspection Tool Kit.
NSN 5180–00–323–5114
Hand File Set
Materials/Parts:
Carborundum Stone (E 11)
Crocus Cloth (E16)
Perchloroethylene (E–68)
Isopropyl Alcohol (E–69)
Fluorescent–Penetrant Materials (E73),
Appendix C
Personnel Required:
68B10 Aircraft Powerplant Repairer
68B30 Aircraft Powerplant Inspector
References:
TM 1–1500–335–23
Equipment Condition:
Off Engine Task
CAUTION
The bleed band is very thin and bends
easily. Be careful not to kink or bend it
during handling. If kinked or bent,
bleed band must be replaced.
1. Repair edge wear up to 0.100 inch deep, on
bleed band (1) as follows:
NOTE
Repair is allowed only if depth after repair
is not more than 0.100 inch.
a.
Blend–repair to a smooth contour using
carborundum stone (E11).
b.
Remove burrs around repair from both
sides of band. Use file.
c.
Final polish area with crocus cloth (E16).
d.
Fluorescent–penetrant Inspect per para-
graph 2–12.1.3, repaired area (Ref. TM
1–1500–335–23).
e.
Parts requiring fluorescent penetrant in-
spection shall be cleaned using perchloroe-
thylene (item E–68, appendix C) to remove
surface contamination. Parts must be visi-
bly dry prior to application of penetrant. To
facilitate drying, parts may be wiped with
isopropyl alcohol (item E–69, appendix C)
or dried with air circulation at 130 F for a
minimum of five minutes.
INSPECT
FOLLOW–ON MAINTENANCE
None
