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TRUCK SERVICE MANUAL
TM 5-4210-230-14&P-1
WHEELS, RIMS, TIRES
FAILURE ANALYSIS
This failure analysis section has been prepared to assist servicemen in diagnosing the cause of failed tire and wheel
components. The section contains various corrective measures for preventing the reoccurrence of the same type failure.
This publication has been compiled from actual case histories in an effort to record information that will be of assistance in
analyzing tire, wheel, rim, or stud failures.
Proper wheel and tire maintenance is more than simple parts replacement. It also includes the application of mechanical skills
and knowledge for reassembly, lubrication and periodic inspection.
INDEX
CHAPTER 1-WHEELS, RIMS
SUBJECT
PAGE
Broken or Cracked Hub................................ ................................ ................................ ................................ ......................... 4
Broken or Damaged Studs ................................. ................................ ................................ ................................ .................. 4
Cap Nuts . ................................ ................................ ................................ ................................ ................................ ............ 5
Cracked Rims . ................................ ................................ ................................ ................................ ................................ ..... 3
Damaged or Cracked Rings................................ ................................ ................................ ................................ .................. 3
Freezing of Nut................................. ................................ ................................ ................................ ................................ .... 6
Rim Corrosion . ................................ ................................ ................................ ................................ ................................ .... 3
Stud Corrosion ................................. ................................ ................................ ................................ ................................ .... 5
To The Fleet Operator ................................. ................................ ................................ ................................ ......................... 6
Use of Correct Studs................................ ................................ ................................ ................................ ............................. 5
Worn Hub Face ................................ ................................ ................................ ................................ ................................ .... 4
Worn Stud Grooves . ................................ ................................ ................................ ................................ ............................ 5
Worn Wheel Stud Holes................................ ................................ ................................ ................................ ........................ 4
CHAPTER 2-TIRES AND TUBES
General ................................. ................................ ................................ ................................ ................................ ............... 7
Innertube Injuries . ................................ ................................ ................................ ................................ ................................ 9
Tire Injuries ................................. ................................ ................................ ................................ ................................ ......... 9
Tread Wear Patterns ................................. ................................ ................................ ................................ ........................... 7
CTS-2167N Page 1
PRINTED IN UNITED STATES OF AMERICA
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