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Date of Origin – 02/24/11
Updated – 02/03/20
WHEELS AND RIMS
Check all wheel nuts for tightness. Wheel ange nuts should be torqued to 450 to 500 ft. lbs (dry).
Check all metal surfaces thoroughly while making tire inspections and during tire changes.
Look for:
• Excessive rust or corrosion build-up
• Cracks in the metal
• Bent anges or components
• Loose, missing, or damaged nuts
• Bent or stripped studs.
• Incorrectly matched rim parts
Replace damaged components, making sure that replacements are made with proper sized and type parts.
WARNING
EXCESSIVELY CORRODED OR CRACKED RIMS ARE DANGEROUS, PARTICU-
LARLY DURING REMOVAL. DEFLATE TIRES PRIOR TO REMOVAL OF RIMS AND
WHEELS FROM THE VEHICLE OR PERSONAL INJURY COULD RESULT.
HUB LUBRICANT
Check and maintain proper level of lubricant in hubs.
Hubs using oil lubricant will have clear hub windows and the oil level will be clearly visible. Be sure the oil level is at
the ll line noted on the hub window.
Hubs equipped with synthetic grease will retain the grease between the bearings and no lubricant visual check is pos-
sible. Trailers equipped with this option will not have a clear hub window or a ll plug.
Do not add oil to hubs equipped with synthetic grease lubricant. If mixing of lubricants occurs, remove the lubricant
and re-install the proper lubricant as soon as possible.
NOTE: Hub cap mounting bolts (6) torque 10 to 15 ft. -lbs torque per bolt.
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