190105 Flashcards
1
Q
2 types of foundation brakes
A
- cam- operated
- disc type
2
Q
brake drums most be able to
A
- resist distorsion
- able to withstand high temperatures
- provide a surface coefficient of friction that gives acceptable life
3
Q
are cam operated foundation brakes known as non-servo brakes or as servo brakes
A
non-servo brakes (the heel of the shoe is mounted on a stationary pivot point)
4
Q
what are the function of the slack adjuster
A
- convert linier motion to rotary motion
- multiply brake chamber for
- provides a place to adjust brake lining to brake drum clearence
