TM 55-1520-240-23-3
4-75.1
INSTALL ENGINE AIR INLET FAIRING
(Continued)
4-75.1
2.
Slowly lower hoist (4) until lower end of aft engine
mount link (5) aligns with mount (6).
3.
Install bolt (7) with head facing inboard, washers
(8), and nut (9). Torque nut to 375 inch-pounds
to seat bushing. Loosen nut and retorque to 20
inch-pounds above run-on torque. Not to be
less than 70 inch-pounds.
4.
Continue to lower hoist (4) slowly until forward
adapters (10) rest on caps (11).
5.
Check that friction torque of bolts (12) in barrel
nuts (13) is not less than 7 inch-pounds.
6.
Push four bolts (12) up and over adapter (10).
7.
Torque bolts (12) to 105 inch-pounds. Check
that gap between adapters (10) and caps (11)
is 0.01 to 0.070 inch.
8.
If the gap measurement exceeds 0.01 to 0.070
inch, go to Task 4-35.1, step 15.
NOTE
If bolts bottom out, washer may be
added under bolt head.
9.
Check that bolts (12) protrude through barrel
nuts (13) a minimum of two threads, but shall not
bottom out. Lockwire bolts. Use lockwire (E278).
INSPECT
10.
Remove sling (14) as follows:
a.
Remove pin (15) from bar (16).
b.
Remove cable (17) from aft fitting (18).
c.
Remove two cables (19) from forward fittings
(20).
d.
Remove sling (14) from hoist (4).
4-326
