CHECK BEFORE STARTING CHECK BEFORE STARTING Pre-operation checks forestall machine trouble. Never neglect them. a. WALK-AROUND CHECK 1. Check bucket for wear. 2. Check transmission case joints for oil leak. 3. Check brake system for air leak and oil leak. 4. Check tightness of air cleaner mounting bolt. 5. Check tightness of battery terminal. 6. Check radiator for water leak. 7. Check around the engine for water and oil leaks. 8. Check axle for oil leak. 9. Check hydraulic tank joint for oil leak. 10. Check for oil leak at high pres- sure hose and high pressure hose joints. c. CHECK AND REFILL COOLANT b. CHECK MONITOR PANEL Turn the starting switch to ON.
Check that all the monitor lamps, the gauges and the warning lamp light up for about 3 seconds and the alarm buzzer sounds for about 2 seconds. If any monitor lamp does not light up, ask your Komatsu dis- tributor to inspect that monitor lamp. Always make the check by refer- ring to this section on CHECK BEFORE STARTING. Remove radiator cap (1) on rear machine body, and check that cool- ing water is filled up to depth in- dicated by shadowed portion. If not, add water. + If the volume of coolant added is more than usual, check for possi- ble water leakage. * Confirm that any oil is not in coolant. - 39 - W-04276