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Drum Brakes

12/10/2014

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December 10, 2014

Please answer the following questions and watch the provided video before tomorrow's class.

Printable Questions


Why is the backing plate important?

What is self-energizing about drum brakes?
What is the difference between duo-servo and leading trailing brake systems?
Why would some drums have cooling fins?
Draw the anatomy of a wheel cylinder.
What is the process in inspecting a wheel cylinder?
Which shoe is shorter, which is longer in a duo-servo system?
What is the purpose of a drum brake self adjuster?
How are parking brakes applied in drum brake systems?
Describe the manufacturer specifications for brake drums.
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