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1 Brakes - 2 Brakes - 2 Mr. Lombardi. 2 Brakes Modern automotive brake systems use hydraulic force to create friction Modern automotive brake systems.

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Presentation on theme: "1 Brakes - 2 Brakes - 2 Mr. Lombardi. 2 Brakes Modern automotive brake systems use hydraulic force to create friction Modern automotive brake systems."— Presentation transcript:

1 1 Brakes - 2 Brakes - 2 Mr. Lombardi

2 2 Brakes Modern automotive brake systems use hydraulic force to create friction Modern automotive brake systems use hydraulic force to create friction Convert motion to heat energy Convert motion to heat energy 2 brake types 2 brake types Disc Brakes Disc Brakes Drum Brakes Drum Brakes

3 3 Drum Brakes Three Main Parts Three Main Parts Drums Drums Shoes Shoes Wheel Cylinder Wheel Cylinder

4 4 Drum Brakes Hydraulic pressure pushes wheel cylinder pistons (1800 psi.) Hydraulic pressure pushes wheel cylinder pistons (1800 psi.) The friction between the stationary shoes and the revolving drums causes the drums to slow and stop the rear wheels. The friction between the stationary shoes and the revolving drums causes the drums to slow and stop the rear wheels.

5 5 Simple Drum Brake Parts

6 6 Drum Brake Parts

7 7 Drum Brake Shoes Two Parts Two Parts Steel Backing Steel Backing Friction Material Friction Material

8 8 Drum Brake Parts Wheel Cylinder Wheel Cylinder

9 9 Drum Brake Parts Drum Drum

10 10 Drum Brake Parts Hoses Hoses

11 11 Drum Brake Parts When servicing drum brakes, do one side at a time. When servicing drum brakes, do one side at a time. If you get confused, the other side can guide you. If you get confused, the other side can guide you.

12 12 Special Brake Tools

13 13 Special Brake Tools

14 14 Special Brake Tools

15 15 Drum Brakes Be sure to torque all fasteners to manufactures recommendations! Be sure to torque all fasteners to manufactures recommendations!

16 16 Drum Brakes Pump brake pedal several times to seat shoes, readjust as necessary. Pump brake pedal several times to seat shoes, readjust as necessary. Top off master cylinder as necessary Top off master cylinder as necessary

17 17 The End


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