Tire Repair

Figure 3-26.-Truck spoke wheels. nut for each wheel. Either single or dual wheels can be securely mounted on the same hub with this arrangement. The outer nut must be loosened first to free the outer wheel disc from the hub. Loosening the outer nut, which threads over the inner nut, unfastens the outer wheel disc. In removing dual-disc wheels, you will find left-hand threads on both inner and outer nuts on the left wheels and right-hand threads on those of the right wheels. Reverse the procedure to mount and tighten the wheels. Dual-disc wheel mounting is shown in figure 3-25. On trucks having spoke wheels, remove the clamps which secure the rim on the spoke wheel (fig. 3-26), and lift off the rim with the tire and tube. If the spoke has two tires, the second rim and tire can be lifted off after the spacer separating the rims is removed. When installing the wheels, install the outer dual in a position that places the valve stem 180 degrees from the stem on the inner tire (fig. 3-27). TIRE REPAIR Facilities for repairing tires vary from one location to another. Some deployment locations have power- operated tire repair equipment to support tire repair. This Figure 3-27.—180-degree valve stem location. 3-13