TM 55284025423
4200 Change 6
439 INSPECT NO. 4 AND 5 BEARING PACKAGE (AVIM)
439
INITIAL SETUP
Applicable Configurations:
All
Tools:
Technical Inspection Tool Kit,
NSN 5180003235114
Materials:
None
Personnel Required:
68B30 Aircraft Powerplant Inspector
Equipment Condition:
Off Engine Task
1.
Inspect No. 4 and 5 bearings (1) as follows:
NOTE
Bearings shall remain in bearing housing
during inspection.
a.
There shall be no rust or broken parts.
b.
There shall be no foreign matter clogging
the bearings which would prevent free rota-
tion.
c.
There shall be no discoloration. Bearings
discolored purple or redpurple are accept-
able.
2.
Inspect forward seal retainer (2) and aft
seat retainer (3). There shall be no cracks.
FOLLOWON MAINTENANCE:
None
END OF TASK