Disc Brake Inspections - Commercial Vehicle Safety Alliance
Disc Brake Inspections - Commercial Vehicle Safety Alliance
Disc Brake Inspections - Commercial Vehicle Safety Alliance
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Rotor Cracking/ Heat Checking<br />
• Heat Checks: Short, thin radial<br />
indications on the rotor braking<br />
surfaces. Heat checks will wear<br />
away and reform. May develop into<br />
braking surface cracks.<br />
• Cracks: Heat checks similar in<br />
appearance to cracks. Cracking is<br />
defined as a “surface split” radiating<br />
into or from an edge of the rotor or<br />
over 75% in length.<br />
Light Heat Checking<br />
Heavy Cracking<br />
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