8. PRECAUTIONS FOR MAINTENANCE WARNING: For reasons of safety, always follow these safety precautions. 8.2 DURING MAINTENANCE PERSONNEL Only authorised personnel can service and repair the machine. Extra precaution should be used when grinding, welding, and using a sledge-hammer. PC450-ENG 1-24 ATTACHMENTS • Place attachments that have been removed from the machine in a safe place so that they do not fall. If they fall on you or others, serious injury could result. ATTACHMENTS WORK UNDER THE MACHINE • Always lower all movable work equipment to the ground or to their lowest position before performing service or repairs under the machine. • Always block the track shoes of the machine securely.
• Never work under the machine if the machine is poorly supported. WORK UNDER THE MACHINE KEEP THE MACHINE CLEAN • Spilt oil or grease, or scattered tools or broken pieces are dangerous because they may cause you to slip or trip. Always keep your machine clean and tidy. • If water gets into the electrical system, there is danger that the machine may not move or may move unex- pectedly. Do not use water or steam to clean the sensors, connectors, or the inside of the operator’s compartment.