Maeda MC815C, Operation Manual, Page: 329 / 426

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• Antifreeze-mixed water drain pan: 7 L container
• Have a water filling hose available.
1. Place the machine on a level surface.
2. See “OPERATION 1.10 ENGINE COVER” and
“OPERATION 1.9 RADIATOR GRILL” and remove the
engine cover and radiator grill.
3. Turn the radiator cap (3) slowly until it comes into
contact with the stopper to relieve internal pressure
from the radiator.
4. With no pressure in the radiator, give further turning of
the radiator cap (3) until it reaches the stopper while
holding it down. Remove the radiator cap (3).
5. Place a drain pan under the drain valve (8) lying below
the radiator to receive coolant (antifreeze-mixed water).
6. Open the drain valve (8) to drain coolant. Close the
drain valve (8) upon completion of draining.
7. Supply tap water to the radiator through the radiator
supply port. The radiator needs to be filled up to the
supply port.
8. Start the engine with the drain valve (8) open, and
ensure the engine runs at low idle. Conduct a 10 minute
cleaning with running water.
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.
9. After cleaning with running water, stop the engine and
water supply and drain tap water. Close the drain valve
(8) upon completion of draining.
10. Clean it with the cleaning agent.
NOTES
Cleaning with the cleaning agent must conform to
instructions provided on the cleaning agent.
11. Open the drain valve (8) to drain the cleaning agent
after cleaning with the agent. Close the drain valve (8)
upon completion of draining.
12. Supply tap water to the radiator through the radiator
supply port. The radiator needs to be filled up to the
supply port.