TM 1-1520-238-23
Change 4
6-153
6.33.
ENGINE NOSE GEARBOX FLEXIBLE COUPLING, VANEAXIAL FAN, AND INLET DIFFUSER
REMOVAL/INSTALLATION – continued
NOTE
This task is typical for either No. 1 or
No. 2 engine nose gearbox flexible
coupling, vaneaxial fan, and inlet dif-
fuser.
This task is typical for both types of
diffuser assemblies. One has an inlet
diffuser and a two-section outlet diffus-
er and the other has an inlet diffuser
and a one-piece housing.
6.33.3. Removal
a. Remove anti-flail bearing nut (1) from engine
nose gearbox output shaft (2).
(1) Aline prongs of bearing nut wrench (3) with
holes in bearing nut (1). Use bearing nut
wrench.
(2) Remove bearing nut (1) from shaft (2).
(3) Remove retaining ring (4) from shaft (2).
(4) Remove lockring (5) from shaft (2).
GO TO NEXT PAGE
M04-0545-20
INLET DIFFUSER WITH
TWO%SECTION OUTLET
INLET DIFFUSER WITH
ONE%PIECE HOUSING
M04-0545-1
3
1
M04-0545-2
2
5
4
M04-0545-3
2
