TM 55-1520-240-23-3
4-41.1
INSPECT CONNECTING LINK (DRAG STRUT) AND ENGINE MOUNT
FITTINGS
(Continued)
4-41.1
10.
Clean fitting (10) and bolt (11). Use solvent
(E162) and cloth (E135). Wear gloves (E184.1).
11.
Check surface of fitting (10) for nicks, scratches,
and gouges. Damage in areas other than
bore (13) is acceptable if it does not exceed
0.040 inch or 10 percent of material thickness,
whichever is less.
12.
Measure shank of bolt (11). Diameter shall not
be less than 0.4982 inch. Record measurement.
13.
Measure inside diameter of bearing (12) in aft
mount fitting (10). Record measurement.
14.
Subtract measurement made in step 12 from
measurement made in step 13. Difference shall
not be more than 0.002 inch.
15.
Apply 25 to 50 pound load to bearing (12) in an
axial direction. Apply 25 to 50 pound load in
opposite direction. Measure axial play between
bearing and race (13). Play shall not exceed
0.025 inch.
16.
Apply 25 to 50 pound load to bearing (12) in a
radial direction. Apply 25 to 50 pound load in
opposite direction. Measure radial play between
bearing and race (13). Play shall not exceed
0.006 inch.
17.
Measure radial play between race (13) and fitting
(10). Play shall not exceed 0.002 inch.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
4-219
