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3. Rotate the tire and hub assembly. They should If the hub rotates smoothly, go to the next step. If the tire and hub assembly do not rotate 4. Grasp the tire and hub assembly at the 3 o’clock 5. If no movement or looseness is detected, raise If any movement or loosenes is detected, go to 6. Check the wheel-to-hub mounting. Make sure the 7. Apply the service brakes to lock the hub and If movement is detected, the king pin or king pin If applying the service brake eliminates the 33–08 End-Play Check, Meritor Unitized Wheel Ends 1. Park the vehicle on a level surface, set the park- 2. Remove the hub cap. 3. Raise the vehicle until the front tires are clear of WARNING Never work under a vehicle that is supported only 4. Remove the tire and wheel assembly. NOTE: It is normal for small amounts of grease 5. Remove the brake drum. If needed, back off the 6. Attach the magnetic base of a dial indicator to 7. Touch the dial indicator stem to the surface of 8. Set the dial indicator to zero. 9. Without rotating the hub, grasp it at the 3 and 9 Pull the hub straight out. Note the reading on the The difference between the two measurements is 10. If the end play is less than 0.003 inch (0.08 mm), go to the step for installing the hub cap. If the end play is 0.003 inch (0.08 mm) or 11. Remove the outer locknut and tabbed washer from the axle spindle. 12. Loosen, but don’t remove, the inner locknut. 13. While rotating the hub a minimum of five rota- tions, tighten the inner locknut 600 lbf·ft (813 14. Install the tabbed washer and the outer locknut. Tighten 250 lbf·ft (339 N·m). 15. Repeat the procedure for checking the end play. 16. If the end play is greater than 0.003 inch (0.08 mm) but less than 0.006 inch (0.15 mm), record If the end play is 0.006 inch (0.15 mm) or Front Axle 33 33/4 |