Section 4
What's a passenger endorsement?
On your license to haul 16 or more persons
The governor does what?
Control's when air pumpms into air tanks
Safety release valve is?
A valve that protects the tank and the system from to much air pressure. The value is set to open at 150psi
What happens if your ABS light comes on?
Drive as normal
10 ft around your bus
Danger zone
Can you drive with emergency door or windows open?
No
Governor cuts out when?
125psi
Brake pedal is also known as
Foot valve or treadle valve
What between 40 and 60psi
Low air pressure. You should have a light and / or buzzer
Flats mirrors see what?
200 feet/4 bus lengths, side of bus and rear tires touching the ground
Can you open your roof hatches for fresh air?
Yes only partly open position
Governor cuts in at?
100 psi
Brake parts
Air hose, abs line, brake chamber, push rod/push pin, cleaves/cleaves pin, slack adjuster, s cam in s cam shaft, rollers, brake pads/shoes, brake drum
What happens around 20psi
Emergency park pops out
Active your amber lights when?
200 ft in rural 100 ft urban
15 ft
Closest you can be to a rail road track
When do you drain the tanks
At the end of the day
Application pressure gauge
Shows how much air you are applying to the brakes.
How do you check slack adjuster?
Chalk wheels , bus in Neutral, release parking brake, pull on slack adjuster shouldn't move more than an inch
Students cross how many feet in front of bus
10 feet
50 ft
The Farthest you can be from a rail road track. And from a draw bridge
What is the alcohol evaporator
Helps reduce ice build up in air tanks
Supply pressure gauge
Tells you how much pressure/air you have in your tanks
Front wheel braking is good under all conditions?
True
When do you activate your turn signal when picking up students
100 to 300ft