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Marking the tire sidewall
| Fig. 4.29. Marking the tire sidewall: 1 - marking dimension; 2 - the manufacturer (brand name); 3 - designation of the tread pattern; 4 - designation tubeless tires; 5 - Radial construction; 6 - an indication of the performance of "the protection of the rim"; 7 - the date of manufacture; 8 - certificate number = designation of the permit; 9 - producing country; 10 - internal code tread DUNLOP; 11 - DOT - Department of Transportation; 12 - code DOT; 13 - the maximum load and the maximum air pressure; 14 - the number of layers in the middle of the tread and sidewall, and an indication of the material; 15 - position of the wear indicators TWI (Tread Wear Indicator); 16 - Relative service life - wear; 17 - evaluation of braking performance on wet surfaces A, B or C; 18 - Evaluation of resistance to temperatures of A, B or C; 19 - the safety of operation or mounting the tire; 20 - an indication of the "ultralight design"; 21 - the prescribed direction of rotation of the tire; 22 - Designation of Conformity Inmetro
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In kachastve example, in Figure 4.29, shows the bus ?�Dunlop SP Sport 9000".
Explanation of tire markings Explanation of tire markings, see Tables 4.5-4.7.
Rubber valve
| Fig. 4.30. Rubber valve: 1 - the valve body; 2 - spool valve; 3 - cap
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The valve body Rubber valve for tubeless tires is formed so as to seal the hole in the rim disc. The elastic material of the rubber body firmly pressed against the rim of the hole. When screwed metal valves rubber gasket seals the joint of the rim. The boundary surface of the opening of the valve are both sealing. Therefore, they should not rust, dirt and damage.
The spool valve The most important task in the valve spool carries. It seals and allows you to adjust the air pressure. Small poppet seal provides sealing on the spool only in the case if there are no contaminants and moisture. The compressor for pumping tires should not be water and oil.
Cap On the valve should always be screwed cap. It prevents the penetration of dirt in the valve. If there is dirt in the valve, they pumped the tires, would fall on the valve plate seal and cause leaks. With each new tire mounting the valve must be replaced. When driving without caps on valves there is a danger of them getting into the mud. This will lead to a slow deflating the tire, which could then cause destruction of the tire.
ATTENTION The tightness is guaranteed only when tightly screwed cap. |
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