17. GUIDES TO MAINTENANCE Warning tag: Attach the warning tag to the starting switch or other appropriate control lever to avoid someone who is not aware of the circumstances from starting the engine. Obey precautions: During the operation, always obey the precautions on the safety label stuck to the machine. Welding instructions: l Turn off the engine starting switch. l Connect grounding the cable within 1 m from the area to be welded. l Do not apply more than 200 V continuously. l Avoid seals or bearings from being between the area to be welded and the position of grounding point. Fire prevention: Use nonflammable cleaner or light oil for cleaning parts.
Keep flame or cigarette light away from light oil. Clamp faces: When O-rings or gaskets are removed, clean the clamp faces and replace the O-rings and gaskets with new ones. Be sure to fit O-rings and gaskets when assembling. Objects in your pockets: Keep your pockets free of loose objects which can fall out and drop into the machinery; especially when you work on the machinery while bending over it. Checking undercarriage: When working in rocky areas, check for damage to the undercarriage and for looseness, flaws, wear and damage in bolts and nuts. Loosen the track tension a little when working in such areas. Cleaning machine: l Do not direct a high-pressure jet directly at the radiator.
l Do not splash water over the electrical equipment. 3-3