. MAINTENANCE SERVICE PROCEDURE WARNING is toxic, so never pour it into 1. Stop the engine. 2. Open underguard (1) under the engine and pull out the coolant drain hose. 3. Loosen sub-tank cap (2) a little to release the residual pressure and then remove it. 4. Open drain valve (3) in the oil cooler and drain the water. 5. After draining the water, close drain valve (3) and fill with city water. 6. Fill the radiator, sub-tank and reservoir tank with water, then start the engine and run at low idling. Run at low idling for 10 minutes to raise the water temperature to above 90 ° C (194 ° F). 7. Stop the engine, open drain valve (3) and drain the water.
After minutes, then run for another 5 4 - 28 Antifreeze is toxic. When open the drain valve, be careful not to get water containing antif flush your eyes with large amount of fresh water and see a doctor at once. When changing the coolant or draining the coolant from the radiator before carrying out handle any coolant containing antifreeze, or contact your Komatsu distributor. Antifr drainage water ditches or drain it onto the ground surface. The Supercoolant is already diluted with distilled water, so it is not flammable. (For "COOLANT AND WATER FOR DILUTION (PAGE 4-5)".
Check the density with a Prepare a container that is a larger than the specified amount of coolant, then dra Prepare a hose to use when filling with coolant. 8. For details of the Supercoolant density, see the COOLANT DENSITY TABLE 9. To remove the air contained in the coolant, run the engine at low idle for 5 minutes at high idle. (When doing this, leave the coolant filler cap OFF.) 10. Stop the engine. About 3 minutes later, supply the coolant up to the coolant fil