WARNING: Failure to follow these safety precautions may lead to a serious accident. 8. PRECAUTIONS FOR MAINTENANCE 1-25 WORK EQUIPMENT SUPPORT When carrying out inspection and maintenance with the bucket raised, fit stand 1 securely under the lift arm to prevent the work equipment from coming down. Place work equipment control lever 2 at HOLD, and set safety lock lever 3 to the LOCK position. A0055140 PROPER TOOLS ‡ Use only tools suited to the task. Using damaged, low quality, faulty, or makeshift tools could cause personal injury. Tools © See “21.1 INTRODUCTION OF NECESSARY TOOLS”.
A0055120 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS Hoses and other parts of the fuel, engine, hydraulic, and brake system are critical parts for ensuring safety, so they must be replaced periodically. Replacement of safety critical parts requires skill, so please ask your Komatsu distributor to carry out replacement. ‡ Replace these components periodically with new ones, regardless of whether or not they appear to be defective. These components deteriorate over time, and can cause fire because of oil leakage or failure in the work equipment system. ‡ Replace or repair any such components if any defect is found, even though they have not reached the time specified.
Replacement of safety critical parts © See “22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS”.