TM 55-2840-231-23
2-14. Compressor Rotor and Blades - Inspection - Continued
COMPRESSOR/-
Continued
7. Blade Tips and Leading
E d g e s
2-15. Compressor
INITIAL SETUP
Loose plastic rub is a result of the compressor
case plastic lining coming loose and
displacing inward wearing away portions of
all blades in a given stage. Loose plastic rub
is evidenced as a chamfer at the leading edge
or trailing edge tip, or an undercut of the
blade leading edge. See the following figure.
Rotor and Blades - Repair
Applicable Configuration
All
2-56
Change 11
Inspect blade tips and
leading edges for evidence
of loose plastic rub on all
blades in a given stage.
Replace compressor
assembly if rub is severe
enough to cause obvious
heat discoloration.
Consumable Materials
Abrasive Paper (item 27, Appendix D)
References
Para 2-2, 2-6, 2-13, 2-14
