20 Operator’s Manual Vehicle Maintenance CXU, CHU, GU, TD, MRU and LEU During Maintenance Remove key from ignition while working on vehicle or engine. DO NOT allow unauthorized personnel on, around or in the vehicle when maintenance or repair is being performed. When operating the engine in an enclosed area, vent the exhaust to the outside. Before servicing your vehicle, apply the parking brakes and adequately chock the wheels in order to prevent unintended vehicle movement. If the service procedure requires the parking brakes to be released recheck to ensure that the wheels are adequately chocked to prevent any forward and/or rearward movement.
DO NOT use combustible substances in or around the engine either during repair or maintenance or when running the engine. DO NOT wear loose clothing or jewelry that can catch or get snagged by parts or moving components on the engine. Also wear all protective equipment required by the job conditions, such as protective glasses, hearing protection, etc. Make certain that all protective covers and guards are in place and properly secured. Never put maintenance fluids into glass containers since glass containers can break. Report all problems in a timely manner before they threaten the safety of operating the vehicle. DO NOT work on the engine while it is running.
Make sure protective locks and covers are in their proper place. DO NOT use high amperage electronic starting devices for jump-starting the engine. Rely on conventional battery charging for charging the batteries or jump-start with the help of a start battery. WARNING DO NOT attempt to repair or service this vehicle without having sufficient training, correct service literature and the proper tools. Failure to follow this could lead to personal injury or making your vehicle unsafe. WARNING Diesel engine exhaust and some of its constituents are known to the state of California to cause cancer, birth defects and other reproductive harm.