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What are the three braking systems?
Three braking systems are the service brake, the parking brake, and the emergency system.
What is used to make the brakes work?
Compressed air is used to make the brakes work.
What does the air compressor do?
The air compressor pumps air into the air storage tanks.
What does the air compressor governor control?
It controls when the compressor will pump air into the air storage tanks.
How much compressed air must the storage tanks hold?
Enough air to allow breaks to be used when the air compressor stops working.
If oil and water collect in the air tanks what can happen to the brakes?
The brakes can fail.
If your vehicle doesn't have automatic tank drains, when should you drain the air tanks?
Every day.
Where will you find the drain valve for each air tank?
You will find the drain valve for each tank at the bottom of the tank.
Where are the two types of air tank drains?
Manually operated, or automatic operated.
What is a purpose of an alcohol evaporator?
It reduces risk of ice in brake valves and other parts in cold weather.
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