TUBE A 0328726 - Caterpillar

the equipment properly before you perform any work or maintenance beneath that equipment. Do not depend on the hydraulic cylinders to hold up the equipment. Equipment can fall if a control is moved, or if a hydraulic line breaks.Unless you are instructed otherwise, never attempt adjustments while the machine is moving or while the engine of the towing machine is running.Whenever there are equipment control linkages the clearance in the linkage area will change with the movement of the equipment or the machine. Stay clear of areas that may have a sudden change in clearance with machine movement or equipment movement.Stay clear of all rotating and moving parts.If it is necessary to remove guards in order to perform maintenance, always install the guards after the maintenance is performed.When you strike a retainer pin with force, the retainer pin can fly out. The loose retainer pin can injure personnel. Make sure that the area is clear of people when you strike a retainer pin. To avoid injury to your eyes, wear protective glasses when you strike a retainer pin. Chips or other debris can fly off an object when you strike the object. Make sure that no one can be injured by flying debris before striking any object.