1. Wheels, Tires and Hubs Parts Technician First Period Material Identification and Calculations 270103j

2. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 1 - Bias-ply construction.

3. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 2 - Bias-belted construction.

4. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 3 - Radial-belted construction.

5. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 4 - Metric/imperial tire size format.

6. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 5 - Wear, traction and temperature ratings.

7. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 6 - Side wall markings including load and speed ratings.

8. © 2013, Her Majesty the Queen in right of the Province of Alberta Table 1 - Tire speed rating letters with corresponding speeds.

9. © 2013, Her Majesty the Queen in right of the Province of Alberta Table 2 - Tire load index rating numbers with corresponding weights.

10. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 7 - Load rating.

11. © 2013, Her Majesty the Queen in right of the Province of Alberta Table 3 - Tire load range rating letters with corresponding plys.

12. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 8 - Tire manufacturers date code. (Photographed at Smart Automotive)

13. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 9 - Space-saver spare tire.

14. © 2013, Her Majesty the Queen in right of the Province of Alberta

15. Figure 10 - Tread block design.

16. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 11 - A stamped steel wheel.

17. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 12 - Safety beads built into rim design.

18. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 13 - Alloy wheels.

19. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 14 - Markings on a wheel indicating direction of rotation.

20. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 15 - Wheel specifications stamped on rim.

21. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 16 - Rim offset.

22. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 17 - Valve stem, Schrader valve and valve stem extensions.

23. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 18 - Wheel mount flange and studs.

24. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 19 - Wheel nuts. (Courtesy Toyota Canada Inc.)

25. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 20 - Tube type tire and multi-piece disc wheel. (Courtesy Freightliner of Canada Ltd.)

26. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 21 - Tubeless tire and disc wheel. (Courtesy Freightliner of Canada Ltd.)

27. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 22 - Tire tread designs. (Courtesy Freightliner of Canada Ltd.)

28. © 2013, Her Majesty the Queen in right of the Province of Alberta

29. Figure 23 - Two styles of split rims.

30. © 2013, Her Majesty the Queen in right of the Province of Alberta

31. Figure 24 - Use care when off-loading inflated tires. (Courtesy Accuride Corporation)

32. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 25 - Cross-section of a five-piece rim assembly. (Courtesy Terex Americas - A Terex Company)

33. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 26 - Spoke wheel and hub assembly. (Reproduced with permission of Ford Motor Co.)

34. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 27 - Six-spoke wheel with a multi-piece rim assembly. (Courtesy Freightliner of Canada Ltd.)

35. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 28 - Mounted hardware for spoke wheel.

36. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 29 - 10-bolt disc wheel.

37. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 30 - Hub designs with brake drums attached. (Courtesy General Motors of Canada Limited)

38. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 31 - Installed spacer and samples used in a dual tire application. (Courtesy Freightliner of Canada Ltd.)

39. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 32 - Truck tire size.

40. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 33 - Tire cross-section with measurements defined. (Courtesy Freightliner of Canada Ltd.)

41. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 34 - Truck tire markings.

42. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 35 - Wheel stud and tapered nut. (Courtesy Freightliner of Canada Ltd.)

43. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 36 - Inner cap nut used to retain the inner wheel on a dual arrangement. (Courtesy Accuride Corporation)

44. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 37 - Flange-style wheel nut. (Courtesy Freightliner of Canada Ltd.)

45. © 2013, Her Majesty the Queen in right of the Province of Alberta

46. Figure 38 - Hub-piloted dual wheel arrangement with flange nut installed. (Courtesy Accuride Corporation)

47. © 2013, Her Majesty the Queen in right of the Province of Alberta

48. Figure 39 - Static imbalance. (Courtesy Toyota Canada Inc.)

49. © 2013, Her Majesty the Queen in right of the Province of Alberta

50. Figure 40 - Dynamic imbalance. (Courtesy Toyota Canada Inc.)

51. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 41 - Wheel weight.

52. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 42 - Tread depth gauge measurement.

53. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 43 - Wear bars show through the tread on a worn tire. (Courtesy General Motors of Canada Limited)

54. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 44 - Tire wear patterns. (Courtesy Toyota Canada Inc.)

55. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 45 - Severe tire wear.

56. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 46 - A plug-patch combination used to repair a punctured tire.

57. © 2013, Her Majesty the Queen in right of the Province of Alberta

58. Figure 47 - Tire rotation patterns.

59. © 2013, Her Majesty the Queen in right of the Province of Alberta

62. Figure 48 - Tires stored vertically.

63. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 49 - Tapered roller wheel bearings.

64. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 50 - Wheel bearing disassembly. (Courtesy General Motors of Canada Limited)

65. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 51 - Front wheel drive sealed ball bearing unit.

66. © 2013, Her Majesty the Queen in right of the Province of Alberta Table 4 - Common replacement components and related sales.

67. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 52