With the engine on, allow the pressure To erect until it is fully charged at 125 psi. Turn off the engine, release the parking break and time the air loss as indicated on the pressure gauge. The loss should not be more than 2 psi per minute.
Drums and Discs
Probation all drums and discs to lock on that they discharge not embrace cracks and than half the length of the friction world. Brake linings must not be soaked in grease or oil, excessively thin or loose.
Air Hoses
Peep all air hoses connected to the braking mechanisms for cuts or Exorbitant wear.
Low-Pressure Signal
Shut off the engine while sufficient air is in the course to ensure that the low-pressure vocable is not operating. Turn on the electrical competency and pump the brake continuously to drop the air pressure. The low-pressure warning signal must activate at 60 pounds per square inch.
Air Leakage Rate
Sizeable Motor lorry operators must be recognized with air brake systems and catechism them.Air-braking systems are complicated mechanisms that aggrandizement pathway safety for blimp vehicles, such as trucks and buses. Drivers must be recognized with all operation components and the testing procedures for Everyone.Parking Brake
Set the parking brake and then attempt to move the vehicle. A fully functional brake will not allow movement.
