. MAINTENANCE SERVICE PROCEDURE WARNING distilled water, see 1. Stop the engine and wait for the temperature of the coolant to go down. 2. Turn radiator cap (1) slowly and remove it. 3. Open drain valve (2) at the bottom of the radiator and drain valve (3) of the oil cooler and drain the water. 4. After draining the water, close drain valves (2) and (3), and fill with city water. 5. When the radiator is full, start the engine, and run it at low idle. Keep the engine running at low idle for 10 minutes until the coolant temperature reaches more than 90 ° C (194 ° F). 6. Stop the engine, open drain valves (2) and (3), and drain the water. After draining the water, close them.
coolant density, see run for another 5 4 - 31 Coolant is toxic. When open the dra If it gets in your eyes, flush your ey When changing the coolant or whe n handling the coolant containing coolant that has been drained d please contact your Komatsu distri butor or request a specialist company to carry out the operation. let it flow into drainage ditches or s COOLANT is already diluted with distilled water, so it is not flammable. (For details of th "COOLANT AND WATER FOR D ILUTION (PAGE 4-12)"). Check the density with a COOLA Prepare a container that is a large r than the specified amount of coolant, then drain the cool Prepare a hose to use when refilli ng with coolant. 7.
Add coolant through the wate r filler port up to the mouth of the port. For details of the ". n the coolant, run the engine at low idle for 5 minutes, th ing this, leave the radiator cap OFF.) "COOLANT DENSITY TABLE 8. To remove the air contained i minutes at high idle. (When do 9. Stop the engine. About 3 minu tes later, supply the coolant up to the coolant filter, then cl