TM 55-1520-240-23-4
5-38
ROTATE VERTICAL HINGE PIN BEARING
(Continued)
5-38
NOTE
Procedure is same to rotate any
vertical hinge pin bearing. Lower
bearing is shown in task.
1.
Matchmark inner race (1), outer race (2), and lug
liner (3). Use marking pencil (E271).
2.
Remove bearing (4) (Task 5-36).
3.
If more than one bearing (4) is removed, tag
bearings. Use paper tag (E264) (5) and marking
pencil (E271). Mark as follows:
a.
Rotary-wing head serial number.
b.
Pitch housing color.
c.
Upper or lower bearing.
4.
Inspect bearing (4) (Task 5-37).
5.
Remove tag (5), and install bearing (4) with
matchmarks rotated 180º from original position
(Task 5-39).
FOLLOW-ON MAINTENANCE:
None
END OF TASK
5-169
