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craftsman marine diesel engines CM4.33 / cm4.42
Fuel (Summer period)
Always use a good diesel fuel with sulphur contents of less than 0,5%. The maximum admissible sulphur percentage is 1%.
Following fuel specications may be used:
CEN EN 590 or DIN/EN 590
DIN 51 601 (Febr. 1986)
BS 2869 (1988) : A1 and A2
ASTM D975 - 88: D1 and D2
NATO Code F-54 and F-75
Fuel (winter period)
During the winter season clogging-up of the fuel system may occur and cause engine failure, on account of separation of the parafn content in the fuel.
Please use a winter type fuel (suitable up to -15 ºC) when the ambient temperature is less than zero degrees Celsius, or a diesel fuel with additives (suitable up to -20 ºC) .
Cooling liquid
Always use a mixture of anti-freeze on the basis of ethylene-glycol and clean tap water.
Table of anti-freeze concentration used for engine coolant.
Anti-freeze
(ethylene-glycol)
Water Protection against freezing up to
Maximum 45 % 55% -35 Cº
40% 60% -28 Cº
Minimum 35 vol% 65% -22 Cº
Lubricants and cooling liquids 16
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