Show I I Some Common Causes of Truck Tire Injury 4 I I Ih 7 1 c ii 1 v flu i i I s rr V I k 5 S I i J S tl 27 2 I kW IJ J J IJ 7 II i it ji S b 1 OVERLOADING SKIDDING j J 4 U l I l ly 1 I f OUT OF ALIGNMENT SPEEDING y j C ie l f of i I 1 1 i i I 1 t H I i j. j I I 5 7 i iI I I I I I I L f r. r NEGLECTED CUTS V CHAINS TOO TIGHT k I IJ J J 1 I P CAR TRACK TRACI ABUSE S DAD BAD ROADS 0 It Jt becomes In increasingly re urgent with the I government demanding the tile bull bulk of the tile solId tire output for motor motoi transports that owners of commercial vehicles must concentrate immediately all alt attention on conserving their tires tira Truck Trude tire authorities au au- assert that only by the tile finest cooperation from truck owners willI will I I manufacturers he be able to supply the I government with the solid tires they will vili need to enter actual hostilities I on a lavish scale saie Therefore possessors of commercial vehicles on whom the I government go must rely to relieve the tIle freight congestion and speed produce from the tile farm to the consumer should commence at once a policy o of conservation conser conser- Increased use of the motor truck means increased tire wear and gasoline conI consumption con con- To better acquaint the truck I owner with his problem and show him the way whereby he can keep his truck I afield and o of value to his country at minimum cost the United Vulcanizing company y has listed a sequence of the themore themore more bore common solid tire abuses accentuating accentuating accentuating them for the benefit of the tile owner owner own own- er with Illustrations Manager Abe l Jr or tile the United Vulcanizing company has just recently installed a mammoth machine for th the i pr pressing on of solid truck tires The accompanying accompanying ac ac- ac- ac companying cuts were furnished the United company b by the B B. F F. Goodrich Tire company compan I In lii the tile desire to get g-et the tIle very ery most out of the tile motor truck truel the the owner Is apt to toI I overplay OVE his hand and overload his truck I The consequence Is more disastrous on the him tires than on any other element o othe of the vehicle A A. glance at illustration No I 1 will give one an Idea of the Chic damage accruing accruing ac ac- ac- ac from froni this common fault And there Is only one prevention keep within with with- in iii th the capacity of the tue truck There Is positively no remedy for a tire broken brokell down from flom overloading Tile The reason is that th tile the rubber has been compressed he beyond ond the safe tafe limit of elasticity Little cracks occur and the deterioration commences The overloadIng overloading overload overload- d ing log of a truck once suffices to begin the destruction of the tire Because a the tire is solid man many people believe it escapes one of the destroyers overs of the time pneumatic tire heat hent YEt et It is a fact that heat Is as disastrous to solid tires as It is to inflated tires Heat makes males its appearance In over- over speeding When a pilot sends send his truck loaded or unloaded mell pell-mell over a smooth or rough road the heat that Is generated within the tile tire due to rapid I displacement and road friction Is serious enough t tv cause a permanent injury It ItI I doesn doesn't t take long for disintegration to take pl place ce In illustration No 3 we have the effect of skidding Drivers Drivels should be brought to realize that their trucks will stop quicker I if the brakes are applied gradually gradually gradually ally rather than quickly Also they should be admonished against rapid turning of corners Repeated skidding had worn the tire in the tile pictured illustration illustration illus illus- to pieces Another thing tiling If one brake takes hold ibId before the tile other the tile tire is bound to skid This TIlls develops a I flat spot on Oil the tread and the tile next time tulle I the san same emergency arises s this Ibis I same TI i spot t is the p sufferer as t the wheel will wili not skid until this tins one place on Oil the tue tread has I b been bOen en reached On first glance one would say the tire in iii illustration No 4 had given satisfactory i tor tory mileage However this Cilia tire was taken from froni the tile front wheel of a truck whose wheels were out of or alignment The effect upon the tile tire is a continual friction The wheel out of kilter hitter partly rolls and partly slides and amid the tread appears quickly kl If a driver notes a s scaly scab appearance on his tread he should dy dv his ilis alignment Immediately Hard lIard I jolts cause caus this trouble Neglect of cuts Is portrayed in the tile next II illustration The Thc driver evidently had driven over broken glass Klat etc and aud ig ignored ig- ig nored the cuts cuti with the result they widened as the truck progressed TI Tire e I cuts should b be healed with cement or 01 trimmed to lessen resistance I In large cities the fault exemplified in i illustration No 6 is most moat noticeable The Tile I truck has been driven in car tracks One half the tire has ilaS carried the load while the other half has been cut to i r pieces i in tracks I All antiskid devices have been found I injurious u ut t to solid o tires r but t the e least in injurious in- in I jurious is s the h loose s chain In t the sl l illus illus- the antiskid contrivance has been of the tile permanent type and has eaten I into the surface of the tire Antiskid I devices should be used only when vitally ne necessary While f bad roads cannot be avoided the i pilot who uses the bad road simply be because be- be cause It will cut off oft distance risks permanent per per- I be-I manent Injury to his ills cushions The Tile tire Is the exhibit o of a concern whose driver specialized In driving driving- over crushed stone I loose brick and other similar obstruction obstructions tion I |