TM 1-1520-238-23
6-412
Change 6
6.93.
MAIN ROTOR FLEXIBLE SUPPORT REMOVAL/INSTALLATION – continued
6.93.3. Removal
a. Remove support (1) from drive shaft (2).
(1) Remove ring (3) from shaft (2).
(2) Remove support (1) from shaft (2).
(3) Remove and discard packing (4).
6.93.4. Cleaning
a. Wipe removed and attaching parts with a
clean rag.
6.93.5. Inspection
a. Check drive shaft for cracks in retaining ring
grooves. None allowed.
b. Check support and drive shaft for corrosion
(para 1.49).
c. Check support for delamination of rubber.
None allowed.
d. Check support for loose or missing nutplates
(para 6.1).
6.93.6. Installation
a. Install support (1) in shaft (2).
(1) Lubricate new packing (4). Use petrolatum
(item 138, App F).
(2) Install packing (4) on support (1).
(3) Position support (1) in shaft (2).
(4) Install ring (3) in shaft (2).
b. Inspect (QA).
c. Install main rotor drive plate cover (para 6.92).
d. Perform drive system dynamics maintenance
operational check (TM 1-1520-238-T).
END OF TASK
3
1
M04-0514-2
2
4
M04-0514-3
1
4
3
1
3
2
