Safety - Section 2 OM2017.2 Page 2-20 Warnings and Cautions A Warning plate is mounted on the instrument panel around the Parking Brake switch and the Secondary Brake switch. The Parking Brake switch is for parking only . Do not use parking brake at shovel or dump . Truck must be completely stopped before applying parking brake or damage may occur to parking brake. Parking brake is not designed to stop a moving truck. The Secondary Brake switch (when switched "ON") applies full brake pressure at all four wheels. It should be used ONLY if the service brake treadle is inopera- tive.
A Grade/Speed warning plate is located inside the operator’s cab and provides the recommended MAXI- MUM speeds to be used when descending various grades with a loaded truck. This decal may change with wheel motor and/or tire size options. Always refer to the specific decal in operator’s cab. A plate is located on the front left corner by the ladder. This plate indicates the location of the ground level engine shutdown switch.