Issue link: http://read.dmtmag.com/i/41477
easily accomplished by placing your hand into one tire side, then the other, and then running your hand along the entire flap wing. 4. Inflate the tube until the flap is secured against the tire wall and the beads start to spread apart, making sure not to exceed 3 psi. 5. Apply a proper tire lubricant to both beads, exposed flap, and fully to the rim. Make sure that excess lubricant does not run down into the tire. 6. Lay the wheel flat on the floor with the gutter side up. Place tire, tube, and flap on the wheel, taking care to center the valve in the slot. 7. For two-piece wheels, place the side ring on the rim base so that the ring split is opposite the valve stem by placing the leading end (end without the notch) of the ring into the groove in the rim, and progressively walk the side ring into place. Ensure the ring is fully seated in the gutter. 8. For three-piece wheels, place the side ring on the rim base and stand on the ring to position it below the gutter rim base. Snap the leading end (end without the notch) of the lock ring into the gutter of the rim base, and progressively walk the lock ring into place. Ensure the ring is fully seated in the gutter. MOUNTING OF TUBE-TYPE TIRES USING AUTOMATIC SPREADERS 1. Spread the tire beads. 2. Inflate the tube to approximately 3 psi. 3. Insert the tube into the tire. 4. Insert the valve through the flap valve hole. (As mentioned, the flap reinforced valve area must face outwards.) Insert the remainder of the flap into the tire. 5. Close the beads. 6. Apply a proper tire lubricant to the inside and outside surfaces of both beads and to that portion of the flap that appears between the beads. Make sure that excess lubricant does not run down into the tire. 7. Follow Steps 4 through 8 of the "Mounting of Tube- Type Tires." INFLATION OF TUBE-TYPE TIRES 1. An inflation line with an extension (30" minimum), in-line gauge, and a clip-on valve chuck should be used for inflation. Remove valve core and lay the assembly flat on the ground. Using an approved restraining device, inflate partially to seat beads to no more than 3 psi. While the tire is still in the restraining device, make sure all wheel components are centered and locked properly. If not, the tire must be deflated, broken down, relubricated and reinflated. Do not attempt to seat the lock ring by means of a hammer. Re-assembly and inflation of mismatched parts can result in serious injury or death. Just because parts fit together does not mean that they belong together. Check for proper matching of all wheel parts before putting any parts together. Inspect the tire and the wheel for any damage that would require them to be placed out of service. Mismatching tire and wheel components is dangerous. A mismatched tire and wheel assembly may explode and can result in serious injury or death. This warning applies to any combination of mismatched components and wheel combinations. Never assemble a tire and wheel unless you have positively identified and correctly matched the parts. MOUNTING OF TUBE-TYPE TIRES USING MANUAL SPREADERS 1. Follow Steps 1 through 3 of the "Mounting of Tube- Type Tires." However, before inserting the flap into the tire, position two bead spreaders in the following manner: a. Place the first at a 90° angle to the valve. (Flap is positioned between the spreader and the tube.) b. Place the second directly opposite the first. c. Spread the beads and insert the flap. d. Close the beads, remove spreaders. 2. Follow Steps 4 through 8 of the "Mounting of Tube-Type Tires." 8 2. Deflate the tire by removing the inflation line. This is to allow the tube to relax, thus, eliminating any wrinkles or uneven stretching that may have occurred during primary inflation. 3. With the valve core still removed, place the dual and wheel assembly into an approved safety cage or other approved restraining device meeting OSHA (Occupational Safety and Health Administration) standards, and reinflate the tire to the pressure shown on the sidewall in order to ensure proper bead seating. Then adjust the tire to the proper operating pressure. Never stand over a tire or in front of a tire when inflating. Always use a clip-on valve chuck with an in-line valve with a pressure gauge or a presettable regulator and a sufficient length of hose between the clip-on chuck and in-line valve (if one is used) to allow the employee to stand outside the trajectory path when inflating. RMA (Rubber Manufacturers Association) requires that all steel sidewall radial tires are inflated without a valve core. 4. Reinspect the assembly for proper positioning and seating of all components. 5. Check for leaks, and install a suitable valve cap. Do not re-inflate any tires that have been run under-inflated or flat without careful inspection for damage. If run-flat damage is detected, scrap the tire. A tire is considered run-flat if it is found to be less than 80% of normal recommended operating pressure. General Instructions