- 1 How does a school bus heater work?
- 2 How do you test air brakes on a school bus?
- 3 Is the pre trip inspection test hard?
- 4 What is the second thing you should do on a pre trip inspection?
- 5 What do you look for in a pre trip inspection?
- 6 What is a bus heater?
- 7 How does a Webasto coolant heater work?
- 8 What is auxiliary heater?
- 9 What is the 7 step air brake test?
- 10 Is learning to drive a school bus hard?
How does a school bus heater work?
How do fuel operated heaters work? They heat the cold coolant from your engine’s block to 160° F in as little as one hour, then pump it back to the vehicle’s engine and heat exchangers. The result: Your engine is preheated and the vehicle’s heat exchangers distribute an abundance of heat to the vehicle’s interior.
How do you test air brakes on a school bus?
Start the bus and let the air pressure build to at least 90 psi. Step on the brake pedal and put the bus into gear. Slowly take your foot off the brake and gently press the accelerator. The bus should not move.
Is the pre trip inspection test hard?
Learning the vehicle inspection portion of the CDL test is difficult for many students. Passing the test requires each student to study and memorize the items tested. Drivers need to be able to point out a part, and describe what condition it is in.
What is the second thing you should do on a pre trip inspection?
Next step for the pre-trip inspection is to check the side of the trailer and the tandems.
- Wall – Make sure the wall is not damaged.
- Lights – Lights should be on and flashing.
- Tires – Tires should be properly inflated and have decent tread.
- Hub seal – Make sure it’s not leaking and wiped with oil if transparent.
What do you look for in a pre trip inspection?
A pre-trip inspection is simply a thorough check of your truck to make sure everything is functioning before you get behind the wheel. A basic DOT pre-trip inspection includes checking your fluid levels, leaks, tires, 5th wheel, brakes, clutch, shock absorbers, ball joints, kingpins, gauges, lights, and more.
What is a bus heater?
In the past, school district bus yards had to plug in the engine block heater on school buses to warm it enough to start a cold diesel on a winter morning. The heaters circulates engine coolant to transfer heat to the engine and heat exchangers.
How does a Webasto coolant heater work?
Webasto Coolant Heaters circulate the machines coolant over a heat exchanger and then pumps it back through the engine and HVAC system. The result is a pre-heated engine and interior. In extreme climates, the heater can be used with additional accessories to warm the fuel, hydraulic fluid and batteries.
What is auxiliary heater?
Auxiliary heat is a heating system that works when the temperature inside a home or building drops lower than two or three degrees from what the temperature is set. Or when someone decides they are cold, and turns the thermostat up more than three degrees. Auxiliary heat is a component of heat pump systems.
What is the 7 step air brake test?
The Seven-Step Air Brake check is designed to test the governor cut-in and cut-out pressures, air pressure leakage, warning buzzer, brake valves and air pressure rebuild rates. Brakes off means the yellow and/or red valve is pushed in (on = valve out).
Is learning to drive a school bus hard?
School districts across the country are struggling to fill vital school bus driver positions. There’s a reason that great school bus drivers are difficult to find and keep: driving a school bus requires more than just driving skill and patience. The job requires a unique skill set, and it’s not as easy as you’d think.