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2.9.2. Check of tightness of the cooling system

Check
Open a cowl.

NOTE
Before the procedure of check warm up the engine up to the working temperature (oil temperature – 80 °C).

Check the level of cooling liquid and modify in case of need.
Install the KM adapter 471 and the test equipment for a radiator, on a broad tank (follow instructions of the manufacturer).
Create pressure about 100 kPa (1 bar) in the cooling system.
Remove the test equipment and close a broad tank.
Close a cowl.