2016 Pierce BRAKES

Question 1

________ occurs when the brake drums become hot and expand away from the brake shoes and the stroke of the slack adjusters become less effective.

Answer 1

Brake fade

Question 2

If service brakes are required to supplement retardation, apply the brakes in short durations of ___ - ___ seconds rather than a continuous application.

Answer 2

5-10

Question 3

The indicator light will light and the alarm will sound any time the ignition switch is set to the run position and the pressure in either section is less than approximately ___ psi.

Answer 3

60

Question 4

In the split air brake system, the quick build up feature builds pressure to which tank first?

Answer 4

Rear (maxis)

Question 5

Front axle weight and brake chamber size (square inches) / slack adjuster length?

Answer 5

20,000lbs

24 sqr” x 5 1/2

Question 6

Rear axle weight and brake chamber size (square inches) / slack adjuster length?

Answer 6

31,000lbs

36 sqr” x 6”

Question 7

Tiller axle weight and brake chamber size (square inches) / slack adjuster length?

Answer 7

22,000lbs

24 sqr” x 5 1/2”

Question 8

If air pressure in front and rear service break sections are reduced to below ___ psi, the spring break valve will automatically apply.

Answer 8

40 psi

Question 9

Front axle and tiller axle brakes are inspected at ___” and replaced at ___”

Answer 9

1/4”

1/8”

Question 10

Drive axle brakes (duals) are changed at ___”

Answer 10

1/4”