Air Brake Check Flashcards

1
Q

The air compressor must cut-in no lower than ___.

A

85 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Check air compressor governor cut-out pressure Run the engine at a fast idle. The air governor will cause the compressor to cut-out at ___ max.

A

130 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Normal acceptable cut-out range is from ____

A

110 to 120 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Test air leakage rate With a fully-charged system (typically ____), turn off the engine, release all brakes and then apply full steady pressure to the brake pedal (brake on) and hold (for one full minute).

A

125 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The air pressure should not fall more than :

- ___ in one minute for single vehicles, or

A

3 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The air pressure should not fall more than :

- ___ in one minute for combination vehicles.

A

4 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Test low pressure warning signal With the engine off, low pressure warning device must activate between ____.

A

55 and 75 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Non-power steering: Check for excessive play by turning steering wheel back and forth. Play should not exceed ____ (or about ____ on a 20-inch wheel).

A

10 degrees / two inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Power steering: With the engine running, check for excessive play by turning the steering wheel back and forth. Play should not exceed ____ (or about ___ on a 20-inch wheel) before front wheels begin to move.

A

10 degrees / two inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly