Cooling Liquid - Craftsman CM2.12 Operation Manual

Cooling liquid

Prior to commissioning the engine for the first time,
the inner cooling circuit must be filled with cooling
liquid.
In order to do so, the filler cap on top of the heat
exchanger housing must be removed.
Alternatively: if and when an expansion tank is fitted,
remove the cap on top.
craftsman marine diesel engines CM2.12 , cm2.16 / cm3.27
The cooling system must be filled with 6,5 liters of
cooling liquid. You can fill the system with a ready-to-
use product, or prepare a mixture of 40% anti-freeze
(on the basis of ethylene-glycol) and 60% of clean tap
water.
Never fill the cooling system with sea
water! Never fill the cooling system
with sea water!
Prior to commissioning the engine 9
Cooling liquid
Fill the system to about 1 cm below the bottom of the
filler pipe. The system will breathe automatically. Do
not forget to put the filler cap in place again and
tighten the breather bolt.
Once the engine being commissioned and having run
for the first time, verify again the level of the cooling
liquid and top up, if necessary.
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