MacDon M1240, Operator'S Manual

Page: 311 / 488

MAINTENANCE AND SERVICING
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 (A).
7. When the system has been completely drained, close
the radiator drain valve (A).
8. Fill system with clean water through the pressurized
coolant tank. Replace the pressurized coolant
tank cap.
9. Start engine. Turn TEMPERATURE CONTROL
knob to HIGH. Run engine until normal operating
temperature is reached.
10. Stop the engine. Drain water out before rust or
sediment settles. Repeat coolant removal procedure.
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, fl ush system with
clean water again. Inspect radiator, hoses, and fi ttings
for leaks.
13. Close drain valves and fi ll system. Refer to Adding
Coolant, page 299 .
14. Close the hood. Refer to 5.3.2 Closing Hood, page
245 .
Figure 5.100: Radiator Drain Valve
Adding Coolant
Check the coolant level in the pressurized coolant tank daily, the tank should be at least one-half full. If less,
add coolant.
CAUTION
To avoid personal injury from hot coolant, do NOT turn cap until engine cools.
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Revision A