REPAIR AFT ENGINE MOUNT, LINK, AND ADAPTER
The following procedures are only for
aft engine mount link with 57 .
If evidence indicates that adjustment
of the aft engine mount link assembly
has been tampered with, re-adjust link
assembly (Task 4-38.1).
Replace broken lockwire (6). Use lockwire
Before replacing broken torque stripe,
check torque on two jamnuts in
accordance with Task 4-38.1.
Replace broken torque stripe (7) on two jamnuts
(8). Use lacquer (E223).
If either bearing assembly of the link assembly
is worn beyond the axial and radial play limits of
Task 4-37, replace the bearings (9) as follows:
Rotate bearing (9) and align with removal
slots in rod end (11). Remove bearing from
rod end and discard.
Clean and inspect bearing surface in rod end.
Fretting marks in the bearing race areas may
be polished out if the 0.010 inch maximum
axial wear tolerance is not exceeded after
Install new bearing (9).
Check bearing play in accordance with Task
If bearings are replaced and
adjustment has not been tampered
with, readjustment of link is not
If other parts of the link assembly are
damaged and require replacement,
completely disassemble, clean, inspect, and
replace parts as necessary.
Reassemble link as follows:
Antiseize compound (E76) can irritate
skin and cause burns. Avoid contact
with skin, eyes, or clothing. In case
of contact, immediately flush skin
or eyes with water for at least 15
minutes. Get medical attention for
Coat threads of rod ends with
antiseize compound (E76).
Screw rod end (11) with jamnut (7) and
locking device (10) into center body (12)
until end of rod end is in the center of the
sight hole (13).
Repeat above procedure for other end.
Re-adjust link assembly in accordance with
END OF TASK