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GENERAL SS -15 CONDITIONS DETAILS/RESULTS/ACTIONS C7 CHECK THE HUB/BRAKE DISC OR DRUM PILOT RUNOUT OR BOLT CIRCLE RUNOUT Measure the pilot or bolt circle runout. A typical specification for radial runout is : ● pilot runout - less than 0.15mm (0.006 inch.) ● bolt circle runout - less than 0.38 mm (0.015 inch.) ● Is the radial runout within specification ? ⇒ YES Install a new wheel. Test the system for normal operation. ⇒ NO Repair or Install new components as necessary. C8 LATERAL RUNOUT CHECK ON THE TIRE Measure the lateral runout of the wheel and tire assembly. A typical specification ● Is the lateral runout within specifications ? ⇒ YES Wheel and tires are OK. Conduct diagnosis on other suspect systems. ⇒ NO Go to C9. C9 LATERAL RUNOUT CHECK ON THE WHEEL Measure the lateral runout of the wheel. A typical specification for total radial ● Is the lateral runout within specifications ? ⇒ YES Install a new tire. Test the system for normal operation. ⇒ NO Go to C10. C10 CHECK THE FLANGE FACE LATERAL RUNOUT Measure the flange face lateral runout. A typical specification for lateral runout is : ● hub/brake disc - less than 0.13mm (0.005 inch) ● Is the lateral runout within specifications ? ⇒ YES Install a new wheel. Test the system for normal operation. ⇒ NO Repair or Install new components as necessary. |