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Show WOBBLY WHEELS I RUIN M TIRES Hocjan Gives Good Advice for Users of Gasoline Cars in U. S. (By A. P. Hogan. Goodyear Tire &. Rubber Co.) Probably as many as one car out of three running today has one or more ! misaligned or wobbly wheel? an evil that Is fobbing the tires of thousands j ot miles of service , Dumping into curbs, turning out Into gutters, and similar shocks which subject the wheel? to a twisting fore I are very likely to throw the wheels out of line. When they do not run parallel there! Is a skidding action which tends to' irin I down the tread at the point of contact with the road surface. Very often the Irregularity is so slight that It cannot easily be detected. Moreover, another cause of excesse tr id wear Is due to so-cnlh d "wob bly'' wheels the result of Improperly adjusted or worn bearings, by ben' axles, worn bashings, or by demount able rims carelessly applied. If the tires are running true If there Is no ".irregularity there Is bill one source of wearing friction, which is the natural grip of thp tire on Unread. Un-read. However, when the wheels do not run true there Is an additional 'source of friction the diagonal grin ! against the tread, an evil which. If neglected, soon wears the tread awsj and thus lessens the amount of sen Ice the tire should originally glye Whenever this excessive wear is no tlced. It Is best to take the car or truck to a competent service station and have the wheels tested with an instru ment known as a wheel aligner The work of making the test is compara tlvely simple, but, for the owner's own protection. It is better to have an expert ex-pert do the work. As a matter of fact, wheels should be tested at very frequent intervals once every two weeks at least. The savings effected bv tlnielv detection ot any irregularities will amount to as much as 3000 or 4000 miles for the tires affected Irregularities caused bv . wobbly wheels can be easily found b jacking up the car and shaking the wheels to see if there Is anv plav or looseness If any is found, there are probably broken or worn bearings in the hub, and this defect should be remedied at once |