SHB WL34 * 2.0 1-43
Maintenance 1
Maintenance
10.Start the engine and allow it to warm up, idling until the thermostat
opens.
11.Operate the engine for about 1 minute with the thermostat open, if
possible with nominal speed, but at least with 3/4 nominal speed.
12. Stop the engine.
13.Check the cooling system and the heating water circuit for leaks.
14.Check the coolant level with the engine cooled down.
15.If necessary, add coolant and repeat the procedure until reaching the
correct coolant level.
Checking the antifreeze mixture
The antifreeze prevents the coolant from freezing at temperatures below
the freezing point and protects the engine block and radiator against
internal corrosion. Under normal conditions, an antifreeze concentration of
−20 °C (−4 °F) to −30 °C (−22 °F) is sufficient. The antifreeze
concentration can be checked with an antifreeze tester.
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