TM 1-1520-238-23
3-52
Change 3
3.16.
MAIN LANDING GEAR TRAILING ARM ASSEMBLY REMOVAL/INSTALLATION – continued
3.16.4. Cleaning
a. Clean attach points before trailing arm installation (para 1.47).
b. Clean jumper bonding area (para 1.47).
3.16.5. Inspection
a. Check attach points before trailing arm installation (para 3.1).
b. Check trailing arm before installation.
(1) Measure inside diameter of trailing arm upper attachment bushings. Bushing inside diameter shall not
exceed 4.5067 INCHES.
(2) Measure inside diameter of arm shock strut attachment bushings. Bushing inside diameter shall not
exceed 1.2534 INCHES; maximum allowable elongation is 0.002 INCH.
c. Check trailing arm for corrosion (para 1.49).
d. Check trailing arm for nicks and scratches. Maximum depth 0.015 INCH. Blend out any nicks and
scratches.
e. Check axle for nicks and axially oriented scratches. Maximum depth 0.005 INCH.
f. Check axle for circumferential scratches. None allowed.
3.16.6. Installation
NOTE
Squat switch assembly is mounted on left trailing arm cap. If left trailing arm is to be replaced, perform
steps b. through t. If right trailing arm is to be replaced, perform step a., and steps d. through q.
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