OPM 250 en-GB 54
©
Scania CV AB 2016, Sweden
Cooling system
Internal: Removing oil and grease
1. Run the engine until it has reached operating
temperature and then drain the cooling sys-
tem.
2. Remove the thermostats.
3. Fill the system with clean, hot water mixed
with liquid dishwasher detergent intended
for household machines. Concentration 1%
(0.1/10 litres).
4. Warm up the engine for approximately 20-
30 minutes. Remember to switch on the cab
heating system, if one is installed.
5. Drain the cooling system.
6. Fill the system with clean, hot water and run
the engine for about 20-30 minutes.
7. Drain the water from the cooling system.
8. Refit the thermostats.
9. Fill the cooling system with new coolant fol-
lowing the specification under Coolants ear-
lier in the document.
Avoid spillage and use a suitable container. Used
coolant must be disposed of as specified in na-
tional and international law.
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