1. Parts Technician First Period Material Identification and Calculations 270103n Hydraulic Brake Systems, Power Assist, Electric Brakes and Antilock Brake Systems

2. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 1 - Vacuum-operated power brake booster.

3. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 2 - A simplified drawing of a vacuum-operated power brake booster.

4. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 3 - Cutaway view of a tandem booster unit.

5. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 4 - Vacuum-operated power brake booster.

6. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 5 - Vacuum supply line check valve (A) and filter (B).

7. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 6 - Vacuum pump.

8. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 7 - A vacuum booster showing mechanical application of the brakes.

9. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 8 - Brake system plumbing. (Courtesy Motor Information Systems)

10. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 9 - Hydraulic brake booster.

11. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 10 - Power brake system using a hydraulic brake booster. (Courtesy General Motors of Canada Limited)

12. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 11 - Hydraulic booster. (Reproduced with permission of Ford Motor Co.)

13. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 12 - Hydro-boost power brake booster.

14. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 13 - An electrohydraulic brake booster. (Courtesy General Motors of Canada Limited)

15. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 14 - Simple air-over-hydraulic brake system.

16. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 15 - Simple power cluster power brake system.

17. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 16 - Power cluster and integral hydraulic cylinder assembly.

18. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 17 - A simple power cluster assembly.

19. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 18 - Inertia or manually operated brake controller.

20. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 19 - Hydraulic truck/electric trailer braking system. (Courtesy Dexter Axle Company)

21. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 20 - Hydraulic operated electric brake controller.

22. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 21 - Electrical connector.

23. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 22 - Electrical connector plugged together.

24. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 23 - Breakaway switch.

25. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 24 - Basic electric brake assembly. (Courtesy Dexter Axle Company)

26. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 25 - Heavy-duty electric brake assembly. (Courtesy Dexter Axle Company)

27. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 26 - Vehicle stability depending on which wheels lock up.

28. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 27 - Wheel speed sensor and tone wheel.

29. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 28 - Hydraulic control unit.

30. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 29 - Electronic control unit.

31. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 30 - Basic components of an ABS system.

32. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 31 - Integral ABS unit.

33. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 32 - Add-on ABS unit.

34. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 33 - One-channel ABS. (Courtesy General Motors of Canada Limited)

35. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 34 - Front/rear split three-channel ABS. (Courtesy General Motors of Canada Limited)

36. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 35 - Diagonal split three-channel ABS. (Courtesy General Motors of Canada Limited)

37. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 36 - Diagonal split four-channel ABS. (Courtesy General Motors of Canada Limited)

38. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 37 - Wheel speed sensor locations.

39. © 2013, Her Majesty the Queen in right of the Province of Alberta

40. Figure 38 - HCU.

41. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 39 - External accumulator.

42. © 2013, Her Majesty the Queen in right of the Province of Alberta

43. Figure 40 - ECU.

44. © 2013, Her Majesty the Queen in right of the Province of Alberta

45. Table 1 - Common replacement components and related sales.

46. © 2013, Her Majesty the Queen in right of the Province of Alberta Table 2 - Common replacement components and related sales.