FIELD MAINTENANCE
GENERAL INSPECTION INSTRUCTIONS
INITIAL SETUP:
Not Applicable
CLEANING
Clean all parts before inspection. Check for defects such as physical distortion, wear, cracks, and pitting.
END OF TASK
SEALING SURFACES
Inspect all surfaces in contact with gaskets, packings, or seals for nicks and burrs. If any defect is found, remove it
before assembly.
END OF TASK
BEARINGS
Inspect bearings for rusted or pitted balls, races, or separators. Inspect balls and races for brinnelling, abrasion, and
serious discoloration. The following are conditions for bearing rejection:
•
Cuts or grooves parallel to ball or roller rotation
•
Fatigue pits (not minor machine marks or scratches)
•
Cracks
END OF TASK
GEARS AND SPLINED SHAFTS
Inspect gears and splined shafts for wear, pittings, rolling, peening, scoring, burning, brinnelling, and fatigue cracks.
END OF TASK
TUBING, HOSES, AND FITTINGS
Inspect all hose surfaces for broken or frayed fabric. Check for breaks caused by sharp kinks or contact with other
parts of the trailer. Inspect copper tubing lines for kinks. Inspect fittings, tubing, mating surfaces, and threads for
nicks, cracks, scratches, and other damage. Replace any defective part. After assembly and during initial trailer
operation period, check for leaks.
END OF TASK
TM 9-2330-342-23&P
0129
0129-1