How should you check that the spring brakes come on automatically?
Step on and off the brake pedal (fan the brakes) with the engine off until the parking brake knob pops out.. Section 5.3: To check
How should you check that the spring brakes come on automatically?
ANSWER BREAKDOWN
- A. Incorrect. "Drive until the tank is empty." is not correct. To check automatic application, fan the brakes to lower pressure. The parking brake knob should pop out when pressure drops to 20-45 psi.
- B. Correct. To check automatic application, fan the brakes to lower pressure. The parking brake knob should pop out when pressure drops to 20-45 psi.
- C. Incorrect. "Pull the knob out." is not correct. To check automatic application, fan the brakes to lower pressure. The parking brake knob should pop out when pressure drops to 20-45 psi.
- D. Incorrect. "Drain the tanks manually." is not correct. To check automatic application, fan the brakes to lower pressure. The parking brake knob should pop out when pressure drops to 20-45 psi.
Como verifica que los frenos de resorte se activan automaticamente?
ADrive until the tank is empty.
BStep on and off the brake pedal (fan the brakes) with the engine off until the parking brake knob pops out.
CPull the knob out.
DDrain the tanks manually.
Seccion 5.3: Para verificar la activacion automatica, bombee los frenos para bajar la presion. La perilla de estacionamiento debe saltar cuando la presion cae a 20-45 psi.
- A. Incorrecto. "Drive until the tank is empty." no es la respuesta correcta. La respuesta correcta es "Step on and off the brake pedal (fan the brakes) with the engine off until the parking brake knob pops out.". Para verificar la activacion automatica, bombee los frenos para bajar la presion. La perilla de estacionamiento debe saltar cuando la presion cae a 20-45 psi.
- B. Correcto. Para verificar la activacion automatica, bombee los frenos para bajar la presion. La perilla de estacionamiento debe saltar cuando la presion cae a 20-45 psi.
- C. Incorrecto. "Pull the knob out." no es la respuesta correcta. La respuesta correcta es "Step on and off the brake pedal (fan the brakes) with the engine off until the parking brake knob pops out.". Para verificar la activacion automatica, bombee los frenos para bajar la presion. La perilla de estacionamiento debe saltar cuando la presion cae a 20-45 psi.
- D. Incorrecto. "Drain the tanks manually." no es la respuesta correcta. La respuesta correcta es "Step on and off the brake pedal (fan the brakes) with the engine off until the parking brake knob pops out.". Para verificar la activacion automatica, bombee los frenos para bajar la presion. La perilla de estacionamiento debe saltar cuando la presion cae a 20-45 psi.