|
|
FLUIDS AND LUBRICANTS 2-12 © 200424 Engine, cooling system and fuel system 3 Cooling water requirements * hardness 170 ppm = 9.5 German hardness / 17 French hardness / 12 British hardness. - pH: 5,5 - 9,0 - hardness*: 170 ppm (calcium and/or magnesium carbonate) - total solid content: 340 ppm ( 340 mg/litre) - chloride: 40 ppm ( 40 mg/litre) (sodium chloride) - sulphate: 100 ppm ( 100 mg/litre) (magnesium and/or sodium sulphate) |