Maintenance and Care
MAN-Industrial diesel engines D2842 LE103
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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.
8.4.6 Changing Coolant
Drain coolant
WARNING!
Risk of scalding!
The cooling system is under pressure and the coolant is hot.
For this reason:
S Let engine cool down first
NOTE!
Do not let coolant spill while draining. Do not let coolant leak out onto the ground or into wa
ter sources, because this will damage the environment.
1. Briefly open the closing cover on the filling neck
of the expansion tank to allow the pressure to
equalise.
Observe the regulations of the vehicle manu
facturer.
NOTE!
For the cooling fluid drainage use a
container with adequate capacity
(depending on the cooling system),
so that coolant does not overflow.
2. Unscrew the drainage screw in the oil cooler
housing (1) or in the oil cooler housing (2).
3. Now remove cap.
4. Drain coolant.
5. Screw in the drain screw.
6. Reinstall cap.
6. Fill and vent cooling system.
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