LM 287 User Manual – 30.10.2023
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6.10.8 Radiator cell coolant level check (18)
Do not open the radiator cap (1) while the engine is hot!
In a hot engine the fluid is pressurized and its temperature can exceed evaporation point (100 °C). When released, the
fluid evaporates and discharges with great pressure causing severe burns.
Figure 95
Proceed as follows:
► Open radiator cap (1) and check that the radiator cell is full of coolant when the engine (coolant) is cold.
► If necessary, add coolant. Let engine run for few minutes and check radiator coolant level again.
Always use a mix of water and anti‐freeze as coolant in a ratio of 1:1 (50%
water + 50% anti‐freeze). Besides the anti-freezing compound, the anti‐
freeze includes vital compounds that prevent engine and cooling system
corrosion.
Remember to check coolant's resistance to freezing regularly and always
before the cold season.
If you need to add coolant frequently, there is a leak in the cooling system.
Proceed as follows:
► Check all hoses and connections and the radiator core.
► Repair the leak and add the required amount of coolant.
► Run the engine until it’s hot and check that the system is intact.
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