6-5. SERVICE BEFORE OPERATION.
Inspection and Servicing Equipment.
Refer to Chapter 2 for operating instructions for the trailer.
(2) When trailer is received, inspect all items for damage that may have occurred during shipping and
unloading operations. Pay close attention to any loose or missing nuts, bolts, screws, access plates, drain plugs,
draincocks, oil plugs, assemblies, subassemblies or components that may be easily lost or broken in transit. Check
Appendix C to make sure all items are accounted for and are in good condition. Carefully list all discrepancies.
Follow general procedures for all services and inspections.
Section III. GENERAL SUPPORT MAINTENANCE PROCEDURES
Instructions in this section provide general procedures to be followed for inspection, removal, cleaning, repair,
replacement, or installation of components, and testing authorized at the general support maintenance level as specified
by the Maintenance Allocation Chart (MAC).
a. Servicing. All services are performed at the Unit Support level of maintenance according to the MAC. If the
trailer needs further service, refer to Chapters 3, 4 and 5.
Ground Handling. For ground handling instructions refer to Chapter 4.
c. Operational Checks. All operational checks included in the maintenance procedures will include the
techniques and methods required to assure the satisfactory performance of the trailer. Reference the Operator's
instructions, Chapter 2, for operation procedures.
Inspection of Components.
(1) Inspect all surfaces in contact with gaskets, packings, or seals for nicks and burrs which might damage the
new seal upon assembly. If any defect is found, remove it before assembly.
Defects which may cause bearing binding or misalignment are cause for rejection. Nicks or
gouges outside race load areas are not cause for rejection.
(2) Inspect bearings for rusted or pitted balls, races, or separators. Inspect balls and races for abrasion and
(3) Cuts or grooves parallel to ball or roller rotation and fatigue pits (not minor machine marks or scratches
and cracks found during magnetic particle inspection) are causes for bearing rejection.
Visually inspect all castings and weldments for cracks.
Clean all parts before inspection. Check for defects such as physical distortion, wear, cracks and pitting.