AXLE ASSEMBLY INSPECTION AND REPLACEMENT.
This task covers:
Wheels chocked (para 2-8.1).
General mechanics tool kit
Common No. 1 shop set
It is essential that the trailer is empty.
Measure shock absorber extension rod (1). If the exposed extension rod on either absorber measures less than
2 1/4 inches, replace axle. If the difference between the two extension rods is 3/4 inch or greater, replace axle.
Check eight axle mounting locknuts (2) on two top axle mounting brackets are torqued to 130 ± 13 lb-ft (176 ±
18 N m).
Check axle mounting brackets (3) and side mounts (4) for evidence of making contact with shock absorbers (5).
Any contact between shock absorbers (5) and axle mounts (3,4) requires replacement of axle. If shock absorbers
(5) are damaged or leaking, replace (para 4-37).
Inspect flex brake line for cracks or leaks. Replace as necessary (para 4-31).