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    Supplemental brakes (park brakes) are required to be tested weekly. The Wagner brakes are tested by applying the brake with the machine stationary, placing the transmission in the proper gear for testing (refer to service/maintenance manual and/or the machine’s approved permissibility checklist). The directional control selector is placed in forward or reverse. The accelerator is then gradually depressed to full throttle, allowing the engine to put the transmission torque converter into a stall condition. If the parking brake is operating satisfactorily, the unit will not move when the above procedure is followed. If movement is detected, the parking brake must be repaired or adjusted.

The machine is equipped with a park brake test valve so this test may be performed. The design of the supplemental braking system prevents tramming when the brake is engaged. The brake test valve overrides this feature for test purposes.

WARNING: Brake tests are to be conducted on a relatively level surface, away from traffic areas where other machines or persons may be moving about. Consider the possible consequences of testing a machine with defective brakes, and select an area where the machine being tested would not cause an accident due to this defect.

NOTE: Service brakes are tested in the same manner.

NOTE: A few machines have undergone manufacturer-approved modifications that require variations in the brake testing procedure. The manufacturer-provided documentation would be followed in these cases.

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