TM 1-1520-238-23
6-330
Change 5
6.75.
MAIN TRANSMISSION TAIL ROTOR DRIVE SEAL REPLACEMENT – continued
b. Install retainer (5) on transmission (2).
(1) Lubricate new packing (9). Use petrolatum
(item 138, App F).
(2) Install packing (9) on retainer (5).
(3) Install retainer (5) on transmission (2) with
fitting (7) pointing down.
(4) Install ring (8) in groove in transmission (2).
c. Install tube (4) on retainer (5).
(1) Install tube (4) on fitting (7).
(2) Tighten clamp (6).
d. Install flange (1) in transmission (2).
(1) Lubricate new packing (3). Use petrolatum
(item 138, App F).
(2) Install packing (3) on flange (1).
(3) Lightly coat splines of flange (1) with grease.
Use grease (item 88, App F).
(4) Install flange (1) in transmission (2).
e. Install No. 3 tail rotor drive shaft (para 6.5).
f. Service main transmission oil system (para
1.32).
g. Inspect (QA).
h. Secure forward catwalk (para 2.84).
i. Secure access doors T250L, T250R, T290L,
T290R, and L325; install panel L200 or R200
(para 2.2).
END OF TASK
M04-482-8
9
2
5
8
5
2
M04-482-9
51
1
3
5
2
7
6
4
