GB/T 9768-2017Rules for application and maintenance of tyres (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 9768-2008 "Tire use and maintenance procedures", compared with GB/T 9768-2008, the main technical differences as follows.

--- Increased reference to relevant normative documents (see Chapter 2);

--- Modify the transport of tires (see 4.2, 4.4, 2008 Edition 4.2,4.4);

--- Modify the tire storage (see 5.1.1.5.2.1.5.2.2.5.3.3.3.2, 2008 edition 5.1.1, 5.2.1, 5.2.2, 5.3.1, 5.3.2);

--- Modify the tire selection, assembly and dismantling provisions (see 6.1.1,6.1.5,6.1.7,6.1.10,6.2.3,6.3.3,6.3.4,6.4.3, 2008 Edition 6.1.1, 6.1.7, 6.1.10, 6.2.3, 6.3.3, 6.3.4, 6.4.3);

--- Modify the tire use (see 7.1.1,7.2.7,7.3.1,7.3.2,7.4.1,7.4.4,7.5.1,7.5.9,7.5.10,7.5.11,7.5.12, 2008 Edition 7.1.1, 7.3.1, 7.3.2, 8.2.1, 8.2.4, 7.4.1, 7.4.9, 7.4.10);

--- Modify the tire maintenance (see 8.1, 8.1, 1.8, 1.2, 8.1.3, 8.1.4, 8.2, 8.2.2, 1.8.2.2, 8.2.3, 2008 edition 8.1,8.2);

--- Increased with a guide wheel and drive wheel tire change method (see Appendix A. Figure A.10).

1 Scope

This standard specifies the terms and definitions of the use and maintenance of tires, and transport, storage, selection, assembly and disassembly, use and maintenance of tires The basic requirements.

This standard applies to car tires, truck tires, agricultural tires, construction machinery tires, industrial vehicles, pneumatic tires, pressure-type solid Tires, Pneumatic Tire Rim Solid Tires, Motorcycle Tires.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 521 tire outer edge size measurement method

GB/T 6326 Tire Terms and Definitions

GB/T 26278 Tire Specification Replacement Guide

GB/T 30196 self-supporting run-flat tires

3 Terms and definitions

GB/T 6326 defined terms and definitions apply to this document.

4 Tire transport

4.1 transport of tires, according to the characteristics of different tires, scientific and rational code to not affect the performance of the tires is appropriate. Tire should not Mix with oil, combustibles, chemical corrosion products, etc., to avoid the sunlight and rain.

4.2 inner tube, cushion is not individually packaged, the need to place the tire and filled with the right amount of air to make contact with the inner cavity of the tire, cushion covered in Between the inner tube and the inner wall of the outer tire bead, wrapping the rope with two or more straps or straps shall not damage the tire bead.

4.3 Tire handling should not be used when the rope, hook or fork lift the tire hanging directly, the width should be not less than 150mm wide non-metallic Tape, so as not to damage the bead (see Figure 1).

4.4 When using a forklift to carry tires, it is advisable to use a special fork holding the tire or to lift it from the side of the tire without damaging the tire (see Figure 2).