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TM 55-1520-240-23-9
11-11
INSPECT FOR CORROSION OF BELLCRANKS
11-11
INITIAL SETUP
Applicable Configurations:
All
Tools:
As Required
Materials:
As Required
Personnel Required:
Inspector
References:
TM 1-1500-204-23
Equipment Condition:
As Required
NOTE
Corrosion usually occurs in areas of
dissimilar metal contact where surface
protection is damaged.
Surface corrosion looks scaly and
blistered. Paint gets discolored, and
areas look dull and pitted. Gray or
white powder may be on surface.
1.
Check for bellcrank corrosion in the following
areas.
a.
Bellcrank bearing or bushing bore.
b.
Web areas and joints.
c.
Mounting bolt or shaft lug area.
d.
Rigging pin holes.
e.
General surface corrosion due to damage
of surface protection.
FOLLOW-ON MAINTENANCE:
As Required
END OF TASK
11-47
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