TM 55-1520-240-23-4
5-45
INSPECT HORIZONTAL HINGE PIN AND BEARINGS
(Continued)
5-45
NOTE
A worn cage which permits rollers to
be loose or fall out is not cause for
bearing rejection.
6.
Inspect bearings (4) as follows:
a.
Check bearings (4). There shall be no cracks,
steel debris, spalling, damage or corrosion.
NOTE
Nicks, scratches, pitting, and
discoloration on non-working surfaces
are allowed. Fine copper or steel
residue from the thrust washer is
considered normal.
b.
Check that bearings (4) turn freely without
roughness.
c.
Check for damaged cages (5). These are
not permitted.
d.
Tap out several rollers (6). Use drift through
oil hole in bearing (4).
e.
Check for smearing, indentations, or
corrosion in raceways (7) or an rollers (6).
These are not permitted.
f.
Check for flaked or spalled load-carrying
surfaces. These are not permitted.
g.
Install rollers (6).
FOLLOW-ON MAINTENANCE:
None
END OF TASK
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