Komatsu — 7.1 BEFORE STARTING ENGINE

WARNING: For reasons of safety, always follow these safety precautions. SAFETY 7. PRECAUTIONS DURING OPERATION 7.1 BEFORE STARTING ENGINE (Also see “12.1 WALK AROUND CHECK” on page 2-24) ! Before entering the operator's compartment, walk completely around the machine and clear the area of personnel and obstructions. ! Before starting the engine, thoroughly check the area for any unusual conditions that could be dangerous. ! Before starting the engine, examine the terrain and soil conditions of the worksite. Determine the best and safest method of operation. !

If you need to operate on a street, protect pedestrians and cars by designating a person for worksite traffic duty or by installing barri- ers around the worksite. ! If water lines, gas lines, telephone lines, and high-voltage electrical lines may be buried under the worksite, contact each utility and identify their locations. Be careful not to sever or cut any of these lines. ! Check the depth and flow of water before operating in water or crossing a river. NEVER be in water which is in excess of the permissible water depth. Permissible water depth ц See "12.14 PRECAUTIONS FOR OPERATION" on page 2-50. !

Carry out the following checks before starting the engine at the beginning of the day’s work. Failure to carry out these checks may lead to serious injury or damage. ! Completely remove all wood chips, leaves, grass, paper and other flammable materials accumulated in the engine compartment and around the battery. Check fuel, lubrication, and hydraulic system for leaks, and a have any leaks repaired. Wipe up any excess oil, fuel or other flammable fluids. Return all containers to their proper place,. ! Check for damage to the electrical wiring. ! Be sure a fire extinguisher is present and check the method of using it. ! Do not operate the machine near any fire or flame. !

Check that the coolant level, fuel level and oil level in the engine oil pan. ! Check for clogging of the air cleaner Check points ц See “12.1 WALK AROUND CHECK” on page 2-24 1-8 SAFETY AT WORKSITE FIRE PREVENTION WALK AROUND CHECK