1. Hydraulic Disc Brake Systems Parts Technician First Period Material Identification and Calculations 270103m

2. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 1 - Major components of a front disc brake system.

3. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 2 - Discs swept area versus similar diameter drum swept area.

4. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 3 - Equal braking force is applied to both sides of the disc.

5. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 4 - Disc mountings.

6. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 5 - Composite discs.

7. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 6 - Solid disc (left) versus vented disc (right).

8. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 7 - Airflow through the rotor.

9. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 8 - Brake pad area versus heat dissipation area.

10. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 9 - Minimum thickness markings.

11. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 10 - A disc micrometer used to measure thickness.

12. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 11 - Check for grooves and ridges.

13. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 12 - Examples of disc damage.

14. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 13 - Disc brake caliper housing.

15. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 14 - An aluminum caliper with fins.

16. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 15 - Caliper clamping forces.

17. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 16 - Fixed calipers.

18. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 17 - Cutaway view of a four-piston fixed caliper.

19. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 18 - Fixed caliper halves showing the O-ring seal and drilled passages.

20. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 19 - Fixed caliper components.

21. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 20 - A single piston and a double piston sliding or floating caliper.

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

23. © 2013, Her Majesty the Queen in right of the Province of Alberta

24. Figure 22 - Sliding calipers components. (Courtesy DaimlerChrysler Corporation)

25. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 23 - Two methods used to retain the floating caliper.

26. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 24 - Floating or sliding caliper.

27. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 25 - Sliding calipers apply force from both sides of the disc in the same fashion as a C-clamp.

28. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 26 - Pistons.

29. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 27 - Exploded view of caliper, seals, bushings and boot.

30. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 28 - Caliper piston seal in the applied and released positions.

31. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 29 - Brake pad.

32. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 30 - Audible pad wear indicator (squealer).

33. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 31 - A sensor imbedded in the pad to provide an input to an electronic warning device on the dash.

34. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 32 - Silencers located on the back of the pad.

35. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 33 - Anti-squeal compound used to reduce brake noise.

36. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 34 - The parking brake foot pedal and a hand lever.

37. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 35 - Graphic symbols used for parking brake and brake warning.

38. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 36 - A complete parking brake set-up. (Courtesy Honda Canada Inc.)

39. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 37 - Parking brake cable construction.

40. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 38 - A drum-in-hat style rear brake system.

41. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 39 - Backing plate and anchor.

42. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 40 - Components found in a drum-in-hat parking brake system.

43. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 41 - The two most common designs of rear calipers.

44. © 2013, Her Majesty the Queen in right of the Province of Alberta Figure 42 - Parking brake cable attachment and return spring location.

45. © 2013, Her Majesty the Queen in right of the Province of Alberta Table 2 - Common replacement components and related sales.

46. © 2013, Her Majesty the Queen in right of the Province of Alberta