[Code of Federal Regulations]
[Title 49, Volume 6]
[Revised as of October 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR570.63]

[Page 204]
 
                        TITLE 49--TRANSPORTATION
 
                   CHAPTER V--NATIONAL HIGHWAY TRAFFIC
                    SAFETY ADMINISTRATION, DEPARTMENT
                            OF TRANSPORTATION
 
PART 570_VEHICLE IN USE INSPECTION STANDARDS--Table of Contents
 
         Subpart B_Vehicles With GVWR of More Than 10,000 Pounds
 
Sec.  570.63  Wheel assemblies.

    (a) Wheel integrity. A tire rim, wheel disc or spider shall have no 
visible cracks, elongated bolt holes, or indications of in-service 
repair by welding.
    (1) Inspection procedure. Examine visually for the conditions 
indicated.
    (b) Cast wheels. Cast wheels shall not be cracked or show evidence 
of excessive wear in the clamp area.
    (1) Inspection procedure. Examine visually for the conditions 
indicated.
    (c) Mounting. All wheel nuts shall be in place and tight.
    (1) Inspection procedure. Check wheel retention for the conditions 
indicated.