ENGINE AR 7C6765 - Caterpillar

Service Brake Holding Ability Test
Personal injury can result if the machine moves while testing.If the machine begins to move during test, reduce the engine speed immediately and engage the parking brake.
Note: Steering must be enabled in order to shift the transmission out of NEUTRAL.Reference: Refer to the Operation and Maintenance Manual, "Operator Controls" “Steering” section for more information.
Start the engine. Raise the implement slightly. Apply the service brake. Release the parking brake.
Make sure the Auto/Manual Transmission Select is in the MANUAL mode. Put the transmission control in SECOND GEAR FORWARD while the service brakes are applied.
Gradually increase the engine speed to high idle. The machine should not move.
Reduce the engine speed to low idle. Move the transmission direction control to the NEUTRAL position. Engage the parking brake. Lower the implement to the ground. Stop the engine.If the machine moved during the test, consult your Caterpillar dealer for a brake inspection. Make any necessary repairs before the machine is returned to operation.Parking Brake Holding Ability Test
Personal injury can result if the machine moves while testing.If the machine begins to move, reduce the engine speed immediately and apply the service brake pedal.
Note: Steering must be enabled in order to shift the transmission out of NEUTRAL.Reference: Refer to the Operation and Maintenance Manual, "Operator Controls" “Steering” section for more information.This test is performed when the parking brake is engaged. If the machine begins to move, compare the engine rpm to the engine rpm of a prior test. This difference will indicate the amount of system deterioration.
Start the engine. Raise the implement slightly. Engage the parking brake.
Ensure that the transmission control is in the MANUAL position.
Move the transmission control to SECOND GEAR FORWARD.The parking brake indicator light should come on.
Gradually increase the engine speed to high idle. The machine should not move.
Reduce the engine speed to low idle. Move the transmission direction control to the NEUTRAL position. Lower the implement to the ground. Stop the engine.If the machine moved during the test, consult your Cat dealer for a brake inspection. Make any necessary repairs before the machine is returned to operation.