- 1 How do you classify an air compressor?
- 2 Where is the air compressor located on a semi truck?
- 3 Where is the power steering pump located on a school bus?
- 4 How do you check air pressure on a bus?
- 5 What are the two types of compressors?
- 6 What are the three most common types of compressors used in air conditioning?
- 7 What is the main purpose of the air compressor in a truck?
- 8 Do school buses have power steering?
- 9 What PSI should my bus tires be?
- 10 How do you perform an air brake test?
- 11 What PSI should bus tires be?
How do you classify an air compressor?
Air compressors are categorized as either positive displacement or dynamic displacement, based on their internal mechanisms. The four most common types of air compressors you will see are:
- Rotary Screw Compressor.
- Reciprocating Air Compressor.
- Axial Compressor.
- Centrifugal Compressor.
Where is the air compressor located on a semi truck?
Where is the air compressor on a semi? The compressor is mounted on the engine of the bus or truck. On most new engines, the compressor is mounted on the side of the engine and driven by gears. A belt, like a fan belt, drives some compressors.
Where is the power steering pump located on a school bus?
The power steering pump on a Thomas school bus is at the rear of the bus engine driven of course and the steering box is at the other end below the driver. The pressure and return hydraulic power steering lines are 35 feet long so repairing on the road is usually not possible. The hoses have to be removed and replaced.
How do you check air pressure on a 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.
What are the two types of compressors?
The two main types of compressors are dynamic and positive displacement.
What are the three most common types of compressors used in air conditioning?
Scroll, rotary and reciprocating AC compressors are the most common types used in residential air conditioners. They are also used in commercial ACs along with screw compressors and centrifugal compressors.
What is the main purpose of the air compressor in a truck?
An air compressor is a pneumatic device that converts power (using an electric motor, diesel or gasoline engine, etc.) into potential energy stored in pressurized air (i.e., compressed air). By one of several methods, an air compressor forces more and more air into a storage tank, increasing the pressure.
Do school buses have power steering?
Yes all modern buses have power steering but design rules require that you can still steer in the event of a power steering failure and you will more leverage than a small steering wheel.
What PSI should my bus tires be?
We run 120 psi front; 80 in the rears on short buses (conventional and transit) and 100 on full sized transits. “Growing old is mandatory. Growing up is optional.” On the 11R tires we run 100 psi all around.
How do you perform an air brake test?
Put the truck into low gear, check to see that the area ahead is clear and slowly get the truck moving forward. S-L-O-W-L-Y. After you get the truck moving, push in the clutch and apply the foot brake. The truck should stop without pulling to either side.
What PSI should bus tires be?
Cold tire pressure higher than 145 psi is not recommended. If cold tire pressure is over 8 psi the recommended pressure, tire pressure should be corrected immediately.