|This time of year, with winter swiftly approaching, snow tires are always in heavy demand. During this busy time, there are multiple procedures technicians need to be aware of when changing tires in a safe and reliable way.
With cars, trucks, and SUVs forming a seemingly endless line waiting for technicians to put snow tires on, technicians may feel pressure to change tires at a record pace. Ingersoll Rand is here to give you tips to make sure you get the job done right and in good time.
The first step is to lube the whole area of the tire to make sure the tire is not stretching or ripping. Then when breaking the beads, put a little lube around the rim and bead area to make the tire-changing process easier. Check all the mating surfaces and wipe away all the debris. Scrub it down with a steel brush and brake cleaner so the surface is clean. With the hub and wheel assembly, the surface needs to be completely free of debris for a smooth and straight contact area. If any debris is left, this can cause the wheel to come loose.
The next step is to break down the beads on the tires. In the process of breaking down the beads, if there is a tire pressure monitor, it needs to be face up or down. This ensures that when breaking the beads, the tire pressure monitor will not be damaged. The monitor also needs to be lined up with the arm that the bead is over so it does not interfere or break components. If the car does not have a tire pressure monitor, the tire will need a new rubber valve stem every time.
It is important when changing the tire to have a good grasp of the bar used for leverage so it does not fly off and damage the wheel. While using an impact, be sure to use the recommended torque specifications. Again, lube the area to prevent stretching and ripping. For safety reasons while lubing the tire, fingers need to be clear of the rim and tire area to prevent pinching.
“The most important thing is maintaining manufactured torque settings,” says Costco Technician Ian Goodman. “Many technicians usually over-torque, which can damage the lug nuts and hardware, so it is really important to follow the recommended torque specifications. Ingersoll Rand sells limited torque wrenches, which is really nice for the technician. The wrench will not go past 50 ft-lb of torque, so it will not overdo it.”
Finally, when inflating the tire do not exceed 40 pounds of pressure to set the beads. During inflation, the bead needs to be clamped down onto the changer so it inflates properly. Also, before putting on the wheel and tire assembly, check the second mating surface to see if the surfaces are ready to go back together and nothing is causing any imperfection. During the process, debris can build up around the hub and lug studs, and this area needs to be clean and clear so the lug nuts do not come loose.
It is good practice to have the customer check their tires at least once a month, especially during the winter and summer months, where the temperature can affect the tire pressure. According to tirerack.com, for every 10 degrees Fahrenheit of change in air temperature, a tire’s inflation pressure will change by about 1 pound per square inch (up with higher temperatures and down with lower). With the customer’s safety in mind, these steps for changing a tire will ensure safe and reliable tires every time.
Are you in need of a great tire-changing tool? The Ingersoll Rand 231HA-2 is the most popular tire changing tool in the industry. Check it out along with all of our industry-leading impacts at www.ingersollrandproducts.com