Komatsu WA250-1LC WHEEL LOADER SHOP MANUAL
Description
Komatsu WA250-1LC WHEEL LOADER SHOP MANUAL
GENERAL PRECAUTIONS
Mistakes in operation are extremely dangerous. Read the Operation and Maintenance Manual carefully BEFORE operating the machine.
Before carrying out any greasing or repairs, read all the precautions given on the decals which are fixed to the machine.
When carrying out any operation, always wear safety shoes and helmet. Do not wear loose work clothes, or clothes with buttons missing.
-Always wear safety glasses when hitting parts with a hammer.
-Always wear safety glasses when grinding parts with a grinder, etc. If welding repairs are needed, always have a trained, experienced welder carry out the work.
When carrying out welding work, always wear welding gloves, an apron, glasses, cap, and other clothes suited for welding work.
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. Keep all tools in good condition and learn the correct way to use them.
Komatsu WA250-1LC WHEEL LOADER SHOP MANUAL
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 working.
PREPARATIONS FOR WORK
Before adding oil or making repairs, park the machine on hard, level ground, and block the wheels or tracks to prevent the machine from
moving.
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 falling. In addition, be sure to lock all the control levers and hang warning signs on them.
When disassembling or assembling, support the machine with blocks, jacks or stands before starting work.
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 provide safe footing.
