TM 1-1520-238-23
Change 3
4-273
4.85.
NO. 1 OR NO. 2 AFT ENGINE MOUNT SUPPORT REMOVAL/INSTALLATION – continued
4.85.3. Removal
a. Remove aft engine mount support (1) from
nacelle (2).
(1) Hold two bolts (3). Remove two nuts (4) and
washers (5).
(2) Remove two bolts (3) and bushings (6).
(3) Remove mount (1).
4.85.4. Cleaning
a. Wipe removed and attaching parts with a
clean rag (para 1.47).
4.85.5. Inspection
a. Check engine support pin for cracks. None
allowed.
b. Check pin for corrosion (para 1.49).
c. Check pin holes for elongation and surface
damage. None allowed.
d. Check engine mount for dents.
(1) Maximum allowable depth is 10 percent of
material thickness.
(2) Edge dents maximum allowable depth is
0.100 INCH.
e. Check engine mount bearing.
(1) Maximum allowable radial play is 0.008
INCH. Replace bearing (para 4.85A).
(2) Check bearing for looseness. None allowed.
Replace bearing (para 4.85A).
4.85.6. Repair
a. All allowable damage to be blended out
(TM 1-1500-204-23).
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