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Maintenance, Repair and Replacement

Trailer or Chassis Owner Responsibility
Repairs, renewals or replacement of tires and/or tubes shall be at the expense of the trailer or chassis owner, except as otherwise provided in Section F. The trailer or chassis owner shall be responsible for renewal of tires and tubes when necessary, due to the following causes:
1. Tread depth 2/32 inch or less. Measurements must be made in tread grooves only, not to include tire tread tie bars.
2. Separation of tread.
3. Visible blisters or knots.
4. Worn out, deteriorated tube.
5. Pulled valve stem, cut tube, when not associated with Section F damage to tire.
Handling Line Responsibility

Maintenance
The carrier in possession of a trailer or chassis in interchange service shall provide maintenance to tires and tubes, including proper inflations, the repair of flat tires, pulled valve stems, etc., subject to provisions of other rules with regard to charges. When a tire and/or tube is repaired or replaced, the carrier in possession must inflate all tires on the trailer or chassis to the manufacturer's recommended PSI. Ensure all hoses are reconnected to automatic tire inflation systems. Valve caps must be installed.
Unserviceable Tires
When an unserviceable tire is replaced by other than the owner, it must be with a new tire or newly recapped tire meeting the Minimum Standard for Retreading and Repairing Bias Ply and Radial Tires, as shown in Appendix B - Section B14 to justify charge to the owner. The application of used tires and/or tubes by the handling carrier is prohibited, is considered wrong repair, and no charge can be assessed the trailer or chassis owner
Rims
Exchanging of rims is prohibited, unless necessary due to an unserviceable rim. When replacing a rim, a rim of same type and size must be used, i.e. 20 inch tube type with a 20 inch tube type, 22 inch tubeless with a 22 inch tubeless.
Serviceable Tubes
When a tire is replaced, a serviceable tube and flap that is removed must be reapplied.
Unserviceable Tubes
When an unserviceable tube is replaced by other than the owner, the tube must be replaced with a new tube to justify the charge. The unit repair billing form must show the size, the location on/off, and the reason for replacement.
Booting, Sectioning or Vulcanizing
Structural repairs to tires on foreign trailers or chassis by booting, sectioning or vulcanizing by the handling carrier is prohibited, is considered wrong repair, and no charge can be assessed the trailer or chassis owner.
Damages
Handling carriers are responsible for damages as follows:
1. Tire sidewall cut/punctured through one or more plies of fabric
2. Tire shoulder and/or tread cut/punctured through one or more plies of fabric, when such injury is larger than 1/4". When the tire shoulder and/or tread is punctured through the tire, causing a hole 1/4 inch in diameter or less, the injury must be patched prior to reuse.
3. Damage to tires and tubes, as a result of being slid flat. Any tire which is slid flat to the extent that a flat spot occurs, which removes (4/32) four thirty-seconds of tread or rubber, when compared to the remaining tread, it is considered "slid flat". It is not necessary for the tire to have loss of air.
4. Damage to tires and tubes, as a result of being run flat. To prevent run flat damage, tires should be inflated as per Appendix B14