Even Wear
- All Parts of the Tire Wears at Same Rate
- Visible Sign that Alignment is being Optimized
- Indicates the organization is using proper maintenance methods
Tire Tread Wear Cause 1:
Improper Inflation Pressure
Tire Tread Wear Cause 2:
Out-of-Spec: Tire Alignment
Flat Spot
- Localized Spot of Excessive Wear Typically Found on Dual Trailer Tires
- Severe Cases Exhibit Wear to and/or Through Belt Package in Localized Area
- Typically Results from Brake Lock Up or Frozen Brakes (Dragging the Trailer)
- May Result from Excessive Use of Only Trailer Brakes to Stop Vehicle
- Can Lead to Ride/Vibration Problems
- Does Not Indicate Tire Problem
Diagonal Wear
- Typically Seen on Rib Trailer Tires
- Localized Flat Spot Condition That Occurs Diagonally Across Tread at 25-30% Angle
- May Repeat Several Times Around Tread
- Can Start as Brake Skid and be Aggravated by Very Light Loads and High Speed Operation
- Can be Caused by Mismatched Duals and Inflation Variation between Duals
- Can be Caused by Bad Bearings or Tire/Wheel Mismount
Shoulder Wear
Puncture
Our Maintenance Goals
- Reduce Downtime
- Due to tire repairs
- Due to road service calls
- Due to DOT out of service
- Reduce Tire & Maintenance Costs
- Pre-trip inspection
- Enroute inspections
- Post-trip inspections
- Increase Revenue Per Trailer
- Reduce road service calls
- Reduce down time of equipment
- Increase miles moving America
References:
Allen L. Hoffer (1995-2016). General work experience of the transportation industry, related to maintenance and tires.
Bridgestone Tires (2016). Tread and Tread Wear & Causes; http://www.bridgestonetire.com/tread-and-trend/drivers-ed/tire-tread-wear-causes. Retrieved on 07/21/2016
HDT/Truckinginfo (2016). What’s Killing your tires (12/2009); by Jim Park, Equipment Editor, Equipment Editor. http://www.truckinginfo.com/article/story/2009/12/whats-killing-your-tires.aspx
Retrieved on 07/19/2016