Operator’s Manual Vehicle Maintenance CXU, CHU, GU, TD, MRU and LEU 29 Crushing or Cutting Prevention W0001524 Never attempt adjustments or repairs while the engine is running, see your authorized MACK Truck dealer. Inspect the fan blade assembly before service for cracks or loose mounting before starting the engine. Never stand alongside a rotating fan assembly, particularly at high fan speeds. Wear protective glasses when striking objects to avoid injury to your eyes. Chips or other debris can fly off objects that are struck. Make sure no one can be injured by flying debris before striking any object.
W0001528 DANGER Before working on a vehicle, set the parking brakes, place the transmission in neutral and chock the wheels. Failure to do so can result in unexpected vehicle movement and can cause serious personal injury or death. WARNING DO NOT work near the fan with the engine running or the ignition in the ON position. The engine fan can engage at any time without warning. Anyone near the fan when it turns on could be seriously injured.