Heavy Duty Trucking

OCT 2014

The Fleet Business Authority

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80 HDT • OCTOBER 2014 www.truckinginfo.com Tires&Wheels Install and balance Any f leet embarking on a tire program ought to look seriously at a mount/dismount machine, some- times called a changer. Improper use of the duck-billed mallet to break tire beads can damage the tire sidewall, the bead and even the wheel itself. Automatic tire chang- ers get the tire on and off the wheel properly and without damage. Plus, they usually feature components to lift and move the tire into position, eliminating potentially dangerous manual lifts for the technicians. Balancing machines are another useful tool, if the f leet has a balanc- ing program. With the numerous alternatives to static and dynamic balancing, the ROI might be a little high if there's insufficient volume to justify the expense. That said, balancing a tire/wheel assembly from the outset will never do any harm, and some of the more sophisti- cated balancing machines can also perform runout measurements as well as uncovering non-concentric mounting, damaged wheels and even improper matching of the high and low spots on the tire and the wheel. "If you let the machine do its job, you'll know you have a perfectly mounted and balanced tire and wheel when you're done," says Justin Gonzalez, national HD market manager at Hunter Engineering Company. portable systems literally hang on the wall until you need them, taking up literally no floor space at all. They are easy to use, portable, accurate and most importantly, reasonably priced. Moines, Iowa. "Concrete interstates are a little different from asphalt paving, and they are both different from the typical two-lane we see in this country. If you spend a lot of time off-Interstate, chances are you will benefit from tuning the truck to the kind of roads you drive on." Santry points out that trailers are often left out of the alignment equation, but they needn't be if the equipment is close at hand. "Misaligned trailer axles will cause irregular wear on the trailer and power unit tires," he notes. "Maximum tire life is expected after a 'complete' alignment with correc- tions to all alignment angles includ- ing the trailer." And as with most technology, the alignment machine need no longer take up a significant amount of pre- cious floor space in the shop. Indeed, Circle 152 on Reader Action Card Tire mounting machines reduce the po- tential for tire and wheel damage by un- skilled workers or improper procedures.

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