TM 55-1520-240-23-5
6-17
INSTALL NO. 1 DRIVE SHAFT
(Continued)
6-17
Rotor blades will turn when shaft
rotates. Turning blades can injure
personnel. Keep clear of blades as
they turn.
NOTE
Install bolt in mount at each side
of shaft in same way. Right mount
shown here.
7.
Rotate shaft to align one of the bolt holes in
adapter assembly (5) with mount bushing (6).
8.
Coat thread of bolt (17) with oil (E254). Install
bolt and washer (18) through bolt hole (19) into
bushing (6). Use socket and extension.
9.
Install washer (20) and nut (21). Torque nut to
150 to 160 inch-pounds.
10.
Check bolt (17). There shall be 0.10 to 0.17 inch
of bolt extending through nut (21). Install another
washer (20) or a thinner washer if needed.
11.
Check mount (7) for freedom of motion on
bushing (6). There shall be no binding.
INSPECT
FOLLOW-ON MAINTENANCE:
Inspect forward drive shaft (Task 6-10).
Install No. 2 drive shaft (Task 6-18).
Check rotary-wing blade phasing (Task 6-27.1).
Install forward transmission aft fairing (Task 2-68).
Close forward drive shaft tunnel access cover (Task
2-2).
Perform vibration test.
END OF TASK
6-53
