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MAINTENANCE PROCEDURE
16. Open the door at the rear right side of the machine, drain
the coolant from sub-tank (5), clean the inside of the sub-
tank, then fill with Non-Amine Engine Coolant to the middle
between FULL and LOW marks.
NOTICE
If the sub-tank is extremely dirty and it is difficult to
clean, replace it with a new one.
17. After draining the coolant, clean the sub-tank with deter-
gent liquid.
For the cleaning method, follow the instruction for the de-
tergent liquid.
18. Close drain valve (4).
19. Install cover (3).
20. Add Non-Amine Engine Coolant through the coolant filler
port up to the mouth of the port.
For details of the coolant density, see "coolant density ta-
ble".
21. Run the engine at low idle for 5 minutes to remove the air from the coolant, then run at high idle for a further
5 minutes.
Keep radiator cap (2) removed during the above opera-
tions.
22. Stop the engine, wait for approximately 3 minutes, then
add Non-Amine Engine Coolant up to the bottom of the
water filler port, and tighten the radiator cap (2).
4-24
MAINTENANCE
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