Commissioning
52
Carefully read the Assembly Instructions before starting any work!
This is especially valid for the chapter on General Safety Instructions
and the safety instructions in each of the chapters.
6.1.3 Filling Coolant
Fill the cooling system of the engine with a mixture of tap water and ethylene glycol antifreeze agent or
anticorrosion agent.
IMPORTANT!
Coolant is harmful to the environment.
For this reason:
S Do not let coolant spill when filling. Do not let coolant leak out onto the ground or into
bodies of water.
For more information on the preparation of the coolant, refer to “Fuels, Lubricants and Coolants for MAN
Industrial Gas Engines”. The amount of coolant to be prepared is given by the total filling capacity of the
cooling system.
For the design of the engine cooling system see the installation instructions.
Coolant may only be filled at the filler neck.
S Remove cap
S Slowly add coolant
S Close expansion reservoir
S Run engine for approx. 15 minutes at rated speed
S Turn off engine. Carefully turn cap with safety valve to the first indent and release pressure. Then
carefully open cap and, if necessary, add coolant
S When adding coolant, do not add cold coolant to a warmed-up engine. Ensure that the proper mixing
ratio of ”water/antifreeze" is met
S Check coolant level again (with engine cold) before the engine's next use. Refill if necessary
S Repeat this procedure until coolant can no longer be added.
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