HOSE AS 4865579 - Caterpillar

Service and Parking Brake Holding Ability Test
The ability of the service brakes or parking brake to hold the machine in place can be tested by placing the machine in Brake Test Mode. Brake Test Mode is automatically enabled by the software. When the operator commands the machine to meet in a specific set of conditions in a specific order.With the Key Off, set Park Brake to Engaged and FNR to Neutral
. Key ON the machine and start the engine
Fully depress the Left Pedal
Fully depress the Throttle Pedal
Using the FNR switch, perform a Forward, Neutral, Forwardquickly, or Reverse, Neutral, ReverseNote: This procedure will place the transmission into Forward or Reverse gear with the machine held in place by both the parking brake and service brake. The Brake Test Mode is now active. This mode is indicated by the Parking Brake indicator on the display blinking at 1 Hz.
. To perform a Service Brake Test, release the Park Brake while holding the Left Pedal. To perform a Park Brake Test, release the Left Pedal while keeping the Park Brake engaged.Note: The machine should hold in place. If machine does not, shift to Neutral and release the throttle pedal. Service the machine.Optional - To immediately test the other brake, reapply the park brake while maintaining a fully depressed left pedal. Fully depress the left pedal while the park brake is engaged. Then, follow the procedures above to test the other brake system.
To finish the Brake Test Mode, shift to Neutral and then release the Throttle Pedal. [Test Mode = Inactive]