Komatsu GALEO BR550JG-1, Руководство по эксплуатации и техническому обслуживанию

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MAINTENANCE
SERVICE PROCEDURE
MAINTENANCE
SERVICE PROCEDURE
4. Hook the top of the ladder to the piping provided below the door
at the left side of the machine.
5. Open the door located on the left side at the rear of the
machine.
6. Remove inspection cover (5) on the radiator undercover, and
place the outlet of a draining extension hose in the coolant and
antifreeze receiving container.
7. Open drain valve (3) to drain the coolant.
8. Close drain valve (3) after drainage, and fill the radiator with tap
water.
When the radiator is completely filled, start the engine and
keep it running at low idling.
9. Open drain valve (3) and clean the radiator with running water
for ten minutes, keeping the engine at low idling.
While cleaning the radiator with running water, try to adjust
cleaning water input and output so that the radiator is kept full
at all time. Keep a close watch on the water supply hose during
supply lest it should come off the radiator water cap.
10. Stop the engine after the cleaning work.
Stop supplying water and close drain valve (3).
11. After drainage, clean the interior with detergent.
For the use of detergent, follow the instructions for detergent
to be used.
12. After drainage, open drain valve (3) to drain all the water, then close it and fill the radiator with tap water almost
up to the radiator cap.
13. When water is filled up to the radiator cap, open drain valve (3) and continue to clean the radiator with running
water until clean water comes out, keeping the engine at low idling.
While cleaning the engine with running water, try to balance water supply and drainage to keep the radiator full
of cleaning water at all time.
14. When clean water begins to flow out, stop the engine and close the drain valve.
15. Replace the corrosion resistor and then open valve (1).
For the replacement of the corrosion resistor, see the section of "REPLACE CORROSION RESISTOR
CARTRIDGE (PAGE 4-77)".
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