TM 1-1520-238-23
4-172
4.55.
NO. 2 ENGINE INSTALLATION – UPPER CONNECTIONS – continued
4.55.3. Installation
a. Apply sealing compound to bushings in na-
celle support (1) if they are loose. Use sealing
compound (item 166, App F).
b. Aline aft inboard engine mount (2) with sup-
port (1).
c. Install support pin (3) through mount (2) and
support (1).
(1) Lock pin (3).
(a) Turn bolt (4) clockwise until lock (5) en-
gages with spring clip (6). Use torque
wrench.
(b) If torque required to lock pin (3) is not 55
to 100 INCH-POUNDS, replace pin.
d. Close forward inboard engine mount (7).
(1) Tighten nut (8).
e. Release tension on lifting cable.
f. Torque nut (8) to 85 INCH-POUNDS. Use torque
wrench.
g. Remove engine sling (9) from engine (10).
(1) Remove pin (11) from forward hanger link
(12) and lifting lug (13).
(2) Remove pin (14) from aft hanger link (15) and
lifting lug (16).
(3) Remove sling (9). Use aircraft mounted
crane.
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