TM 1-1520-238-23
6-552
6.133.
TAIL ROTOR GEARBOX SHOULDERED SHAFT REMOVAL/INSTALLATION – continued
6.133.6. Installation
a. Install shaft (1) in gearbox (2).
(1) Position retaining ring (3) at flared end of
shaft (1).
(2) Lightly coat new packing (4) with petrolatum.
Use petrolatum (item 138, App F).
(3) Install packing (4) in shaft (1) groove closest
to splines (5).
(4) Lightly coat splines (5) with grease. Use
grease (item 88, App F).
(5) Install shaft (1) in gearbox (2) by pushing up-
ward until shaft (1) seats.
(6) Install retaining ring (3) on shaft (1).
b. Inspect (QA).
c. Install forward tail rotor temperature sensor
(para 6.138).
d. Install tail rotor gearbox input coupling (para
6.15).
e. Install No. 6 tail rotor drive shaft (para 6.14).
f. Install access fairings L510, L530, and L540
(para 2.2).
g. Perform drive system dynamic maintenance
operational check (TM 1-1520-238-T).
END OF TASK
M04-557-4
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1
5
4
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