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Komatsu D85EX -15 - Page 222

Komatsu D85EX -15
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MAINTENANCE
SERVICE PROCEDURE
9. Replace the corrosion resistor, then open each valve (3).
For details of the procedure for replacing the corrosion resistor, see "REPLACE CORROSION RESISTOR
CARTRIDGE (PAGE 4-62)".
10. Close drain valve (5), (6).
11.
Add coolant mixed with antifreeze until it overflows from the water filler.
Decide the proportions of antifreeze and water according to the table for the mixing rate of water and antifreeze.
12. To remove air in the cooling system, run the engine for 5 minutes at low idle, then for 5 minutes at high idle.
(While doing this, leave the radiator cap removed.)
13.
Drain the coolant from sub-tank (7), clean the inside of the
sub-tank, then add water until the coolant level is between the
FULL and LOW marks.
14.
Stop the engine, wait for approx. 3 minutes, then add coolant
until the coolant level is near the coolant filler port, and tighten
the cap (3). Check the coolant level and add coolant if
necessary.
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