TM 55-1520-240-23-4
5-111
INSTALL DRIVE COLLAR
(Continued)
5-111
NOTE
If installing an aft drive collar, perform
steps 10 thru 12. If installing a forward
drive collar, go to step 13.
10.
At aft rotor shaft (4) only, tie three balancing arms
(16) together as shown. Use twine (E433).
11.
Apply grease (E190) to splines (17) of centrifugal
droop stop plate (18). Wipe excess grease from
the top and bottom of the plate.
12.
Align master splines (19 and 20) of drive shaft
(4) and droop stop plate (18). Install the droop
stop plate.
13.
At forward rotor shaft (4) only, install spacer (21)
on drive collar (2).
INSPECT
FOLLOW-ON MAINTENANCE:
Connect pitch link upper end (Task 5-99).
Install rotary-wing head (Task 5-9).
Install rotary-wing blades (Task 5-84).
Close forward or pylon work platforms (Task 2-2).
END OF TASK
5-634
