ENGINE INPUT DRIVE SHAFT AND OUTER DIFFUSER (ONE-PIECE)
Ensure that outer diffuser being installed
is same outer diffuser that was removed.
Do not intermix or swap diffuser compo-
nents or damage to diffuser will occur.
Skip step c. if installing a two-section out-
er diffuser in place of a one-piece outer
diffuser. Install two-section outer diffuser
c. Install diffuser (1) on diffuser (2).
(1) Position diffuser (1) on diffuser (2).
(2) Aline mounting holes.
(3) Install four screws (3) and washers (4)
through diffusers (1) and diffuser (2).
d. Inspect (QA).
e. Perform drive system vibration maintenance
operational check (TM 1-1520-238-T).
f. Install engine nose gearbox fairings and
shrouds (para 2.123).
END OF TASK