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Operation and Maintenance
9.612.0.006.7160 - 05/04
Cooling System Cleaning
1. Remove the cap from the engine radiator or from the expansion reservoir of the vehicle;
2. Drain the cooling system fluid through the lateral plug of the engine block;
3. Flush the whole system until to leave only clean water;
4. Close the system and fill with clean water;
5. Operate the engine until to reach the normal operation temperature and leave it running for 15 minutes;
Remark: If the vehicle has hot air conditioning, turn the button in hot position.
6. Stop the engine and wait to cool down;
7. Open the drain, remove the radiator cap and leave the water to flow out all again;
8. Close the drain outlet and fill the system with clean water and MWM coolant according to the recommended proportion;
9. Operate the engine up to the normal operation temperature and leave it running for 15 minutes;
Remark: If the vehicle has hot air conditioning, turn the button in hot position.
10. Check the level of the cooling system completing if it is necessary.
Cooling Fluid Filling Procedure
Fill the system with the necessary amount of MWM coolant and complete with clean water. Put the engine in
operation up to the normal operation temperature. Only complete the level of the system with clean water + MWM
coolant in the correct proportion.
After filled the system, operate the engine checking for leaks.
Denomination Concentrate Coolant
Properties Anticorrosive / Anti-boiling / Antifreeze
Application Modern Diesel Engines in General
Colour Red
Proportion 50% ± 10%
Change Interval 50,000 km or 6 months
Composition
Anticorrosive, Ethilenoglycol, Borates,
Silicates and Colouring
Validity of the bottle 5 years
MWM COOLANT
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