1.4.3 Mixture ratio:
Caution
Only distilled water may be used for mixing. Tap or well wa-
ter does not have the required quality to ensure the effec-
tiveness of coolant.
Frost protection to Coolant additive G 12+
and G 12++
Water
1)
-25 °C approx. 40% approx. 60%
-35°C approx. 50% approx. 50%
-40°C approx. 60% approx. 40%
1)
Only use distilled water.
Note
â—† Coolant additives G 12+ and G 12++ prevent frost and cor-
rosion damage, limescale and also raise the boiling point.
Therefore, the cooling system must be filled all year round
with frost and corrosion protection additives.
â—† Because of its higher boiling point, the coolant improves en-
gine reliability under heavy loads, particularly in countries
with tropical climates.
â—† The coolant concentration must not be reduced by adding
distilled water even in the warm season or in hot countries.
The antifreeze portion must be at least 40%.
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
3
1 Removing and installing parts of cooling system
283
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