TM 55-1520-240-23-4
5-23.1.1
INSPECT TIE-BAR AND PIN ASSEMBLIES (Continued)
5-23.1.1
h.
Washer flatness should not exceed a
maximum deviation (D) of 0.015 inch.
3.
Visually inspect tie-bar pins for nicks, cracks,
scratches, distortion and corrosion. None
allowed.
4.
Inspect the four slots in the tie-bar assembly as
follows:
a.
Using a borescope with a rigid right angle
probe, insert the borescope probe in each
slot. Examine the slots for cracks along the
full depth and span.
NOTE
Recommend the probe not exceed
0.110 inch each diameter.
b.
If a suitable borescope and probe are not
available, visually inspect each slot using a
light source.
c.
Reject tie-bar assembly if any cracks are
detected.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
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