Brake Terminology Flashcards
How to work out braking efficancy
Vehicle weight % total brake effort x 100
What is self servo effect
It is centrifugal force acting upon the shoe pulling it into the drum
What are the 3 types of drum brake
Single lead shoe.
Twin leading shoe
Duo servo type
What could you inspect on a drum brake
Corrosion, leak , seized components
Drum ovality, with a dti
And lining thickness
What is a brake pad made from
Copper iron and graphite
How do the brake pads retract
By the shape of the seal
What does hydroscopic mean
It absorbs water
What 3 properties should brake fluid have
Low viscosity, high boiling point and not corrode the seals
What is a vacuum servo
It is a multiplying effect achieved through a diaphragm to assist braking larger vehicles
What does abs stand for
Anti lock braking system
What is brake fade
An effect caused by overheating brake fluid which reduces braking efficiency
What is the purpose of brake grooves
For cooling
