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16. Start the engine with the drain valve (8) open, and ensure the
engine runs at low idle. Conduct a cleaning with running water
until clean water flows out of the radiator.
CAUTION
• The radiator is to retain a high water level during cleaning
with running water. Adjust the quantities of water supplied
and drained as necessary.
• Ensure that the water filling hose stays connected to the
radiator supply port properly during cleaning with running
water.
17. Once clean water has out flowed, stop the engine and water
supply and drain tap water. Close the drain valve (8) upon
completion of draining.
18. Supply coolant mixed of antifreeze and tap water to the radiator
through the radiator supply port. The radiator needs to be filled
up to the supply port.
NOTES
See the above-mentioned table, “Mixing ratio between water and
antifreeze”, for the mixing ratio of antifreeze and tap water.
19. Start the engine with the radiator cap (5) removed, and ensure
the engine runs at low idle for 5 minutes. Release air from the
cooling system with the engine at high idle for 5 minutes.
20. Wait for 3 minutes after stopping the engine. Supply tap water
to the radiator through the radiator supply port, up to the supply
port. Close the radiator cap (5).
21. Remove the reserve tank (1). Clean the inside of the reserve
tank with coolant drained from the tank.
22. Put the reserve tank (1) in place, supply tap water through the
supply port to “FULL”. Install the cap (2) properly.
23. Install the engine hood bottom cover (6), and secure it with the
four mounting bolts (7).
24. See “Operation 1.9 Engine Hood” and close the engine hood.
25. Install the radiator top cover (3), and secure it with the two
mounting bolts (4).
26. See “Operation 2.24 Outrigger Stowing Operation” to stow
the outriggers.
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