WHEELS, RIMS AND TIRESFigure 35. - Dual Disc Wheel InstallationWhenever a tire is removed, clean off all grease androad dirt. Use a wire brush or steel wool to remove therubber from the bead seat.Projections on the side wall of the gutter may causeuneven seating of the side ring and lead to chipping ofthe gutter. Remove these and other projections in themounting area to assure the best possible fits.Nicks and gouges in the vicinity of the fixed flange maylead to rim fracture.Do not heat or weld wheels in an attempt to straighten orrepair severe road damage. The special alloy used inthese wheels is heat-treated, and uncontrolled heatingfrom welding torch affects the properties of the material.To avoid possible corrosive effects to aluminum wheels,use only a slight amount of water and neutral soap(similar to Ivory Snow, Dreft, etc. no detergents) whenmounting tires. Do not use commercial rubberlubricants.Do not allow dirt to enter the mounting area duringinstallation. See ’TORQUE CHART" for correct torquevalues.WHEEL STUDS AND MOUNTING NUTSMaintaining wheel stud and mounting nut tightness doesmuch to insure safe and satisfactory wheel operation.Loose wheel mounting can cause vibration, shimmy, tirewear, stud breakage, worn studs, mounting nuts (Figure36) and worn or elongated stud holes (Figure 37). Partswith these characteristics must be replaced. Alwayskeep wheel stud nuts tightened to specified torque.Figure 36.Figure 37.Rust streaks (Figure 38) from stud holes is a goodindication that mounting nuts are not tightened to-thespecified torque.Before mounting wheel assemblies on vehicle, makesure all parts are clean and free from foreign matter.Excess paint on wheel mounting face or stud holeperimeters can permit wheel mounting nuts to loosenwith use.CTS-4148APage 19
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