214733 336 Revision A
Figure 5.122: Radiator Drain Valve
5. Locate the radiator drain valve (B) on the radiator inlet
tube (A). It is located inside the frame beside the engine.
6. Place a drain pan (about 30 liters [8 US gallons]) under the
drain valve, and then open the radiator drain valve (B).
7. When the system has been completely drained, close the
radiator drain valve (B).
8. Fill system with clean water through the pressurized
coolant tank. Replace the pressurized coolant tank cap.
9. Start engine and press the red area on the console
TEMPERATURE CONTROL until maximum heating is
reached. Run the engine until normal operating
temperature (green range on display) is reached.
10. Stop the engine. Drain water out before rust or sediment settles. Repeat Steps 3, page 335 to 7, page 336 to
drain water.
11. Close drain valves. Fill the system with a solution of clean water and a heavy duty radiator cleaner. Follow instructions
provided with the cleaner.
12. After using the cleaner solution, flush system with clean water again. Inspect radiator, hoses, and fittings for leaks.
13. Close drain valves and fill system. Refer to Adding Coolant, page 337.
14. Close the hood. Refer to 5.3.2 Closing Hood, page 257.
MAINTENANCE AND SERVICING
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