Welding Repairs When carrying out welding repairs, carry out the welding in a properly equipped place. The welding should be performed by a qualified worker. During welding operations, there is the danger of, generation of gas, fire, or electric shock, so never let an unqualified worker do welding. The qualified welder must do the following: To prevent explosion of the battery, disconnect the battery terminals and remove batteries. To prevent generation of gas, remove paint from the location of the weld. If hydraulic equipment, piping or places close to them are heated, a flammable gas or mist will be generated and there is a danger of it catching fire.
To avoid this, never subject these places to heat. Do not weld on pipes or on tubes that contain flammable fluids. Do not flame cut on pipes or on tubes that contain flammable fluids. Before you weld on pipes or on tubes or before you flame cut on pipes or on tubes, clean the pipes or tubes thoroughly with a nonflammable solvent. If heat is applied directly to rubber hoses or piping under pressure, they may suddenly break, so cover them with a fireproof covering. Wear protective clothing. Make sure there is good ventilation. Remove all flammable objects and provide a fire extinguisher.
Warning for Counterweight and Front Attachment Removal DANGER DOOSAN warns any user, that removal of the counterweight from the machine, front attachment or any other part, may affect the stability of the machine. This could cause unexpected movement, resulting in death or serious injuries. DOOSAN is not liable for any misuse. Never remove counterweight or front attachment unless the upper structure is in-line with the lower structure. Never rotate the upper structure once the counterweight or front attachment has been removed. FG000371 Figure 36 OP001759 1-37 Safety