Installation and Commissioning
45
Carefully read the Operating 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.
6.4.2
Filling Coolant
NOTE!
Do not let coolant drip or leak out while filling. Do not let coolant leak out onto the ground or
into bodies of water. Otherwise, the environment will be damaged.
The engine's cooling system is to be filled with a mixture of tap water and antifreeze (ethylene glycol or an
ticorrosion agent). Coolant must be filled according to the filling specifications of the BHKW (combined heat
and power plant) manufacturer.
For suitable antifreeze agents see approved Fuels, Lubricants and Coolants according to MAN 324 NF and
MAN 248.
Coolant
may
only be filled at the filler neck
.
S
Remove cap.
S
Slowly fill coolant.
S
Close expansion reservoir.
S
Run engine for approx. 15 minutes at rated speed.
S
Shut off engine and carefully unscrew cap with safety valve to the first stop to release pressure, then
carefully open. Add coolant if necessary.
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 before the next commissioning (with engine cold). Add coolant if necessary.
S
Repeat this procedure until coolant can no longer be added.
