SAFETY SAFETY NOTICE SAFETY SAFETY NOTICE IMPORTANT SAFETY NOTICE Proper service and repair is extremely important for safe machine operation. The service and repair techniques recommended by Komatsu and described in this manual are both effective and safe. Some of these techniques require the use of tools specially designed by Komatsu for the specific purpose. To prevent injury to workers, the symbol k is used to mark safety precautions in this manual. The cautions accompanying these symbols should always be followed carefully. If any danger- ous situation arises or may possibly arise, first consider safety, and take the necessary actions to deal with the situation. GENERAL PRECAUTIONS 6.
Decide a place in the repair workshop to keep tools and removed parts. Always keep the tools and parts in their correct places. Always keep the work area clean and make sure that there is no dirt or oil on the floor. Smoke only in the areas provided for smoking. Never smoke while work- ing. Mistakes in operation are extremely dangerous. Read the Operation and Maintenance Manual care- fully BEFORE operating the machine. 1. Before carrying out any greasing or repairs, read all the precautions given on the decals which are fixed to the machine. 2. When carrying out any operation, always wear safety shoes and helmet. Do not wear loose work clothes, or clothes with buttons missing.
PREPARATIONS FOR WORK 7. Before adding oil or making any repairs, park the machine on hard, level ground, and block the wheels or tracks to prevent the machine from moving. Always wear safety glasses when hitting parts with a hammer. Always wear safety glasses when grinding parts with a grinder, etc. 8. Before starting work, lower blade, ripper, bucket or any other work equipment to the ground. If this is not possible, insert the safety pin or use blocks to prevent the work equipment from fall- ing. In addition, be sure to lock all the control levers and hang warning signs on them. 3. If welding repairs are needed, always have a trained, experienced welder carry out the work.
When carrying out welding work, always wear welding gloves, apron, hand shield, cap and other clothes suited for welding work. 9. When disassembling or assembling, support the machine with blocks, jacks or stands before starting work. 4. When carrying out any operation with two or more workers, always agree on the operating procedure before starting. Always inform your fellow workers before starting any step of the operation. Before starting work, hang UNDER REPAIR signs on the controls in the operator's compartment. 10.Remove all mud and oil from the steps or other places used to get on and off the machine. Always use the handrails, ladders or steps when getting on or off the machine.
Never jump on or off the machine. If it is impossible to use the handrails, ladders or steps, use a stand to pro- vide safe footing. 5. Keep all tools in good condition and learn the correct way to use them. 00-3