Never exceed manufacturer’s recommended pressures.ħ. Following the vehicle manufacturer’s recommended procedures, deactivate the electrical system in a manner that safely removes all electrical power from the vehicle.Ħ. If the vehicle is equipped with an AD-IS ® air dryer system or a dryer reservoir module, be sure to drain the purge reservoir.ĥ. If the work is being performed on the vehicle’s air brake system, or any auxiliary pressurized air systems, make certain to drain the air pressure from all reservoirs before beginning ANY work on the vehicle. Use only the proper tools and observe all precautions pertaining to use of those tools.Ĥ. Do not attempt to install, remove, disassemble or assemble a component until you have read and thoroughly understand the recommended procedures. Where circumstances require that the engine be in operation, EXTREME CAUTION should be used to prevent personal injury resulting from contact with moving, rotating, leaking, heated or electrically charged components.ģ.
When working in the engine compartment, the engine should be shut off and the ignition key should be removed. Stop the engine and remove ignition key when working under or around the vehicle. Park the vehicle on a level surface, apply the parking brakes, and always block the wheels. When working on or around a vehicle, the following general precautions should be observed at all times:ġ. WARNING! PLEASE READ AND FOLLOW THESE INSTRUCTIONS TO AVOID PERSONAL INJURY OR DEATH: