![]() ![]() ![]() Be compatible with cooling system hose and seal materials.Ī properly maintained coolant can be used up to the intervals listed in Table.Prevent formation of scale or sludge deposits.Provide a corrosion/erosion-resistant environment.Provide an adequate heat transfer medium.The coolant used in Detroit Diesel Series 60 engines must meet the following basic requirements: Specific concerns not covered should be addressed to your local Detroit Diesel representative. These recommendations are general rules and reflect the current technology. This section provides the directions and information required to ensure cooling system protection for Detroit Diesel Series 60 engines. To achieve the chemical balance needed to protect a cooling system, certain coolant basics must be understood. Using a coolant with the appropriate concentrations of SCA is one of the most important aspects of quality engine maintenance. Dropout - Sludge or deposit formation in or on cooling system components.Additional SCA must not be used with a precharged IPG at initial fill. Precharged IPG - Also referred to as a fully formulated IPG.Additional SCA must not be used with a precharged IEG at initial fill. Precharged IEG - Also referred to as a fully formulated IEG.Initial fill - Any time the cooling system is empty, then filled with new coolant.Used to prevent corrosion, cavitation, and the formation of deposits. ![]() IPG - Full strength (non-diluted) Inhibited Propylene Glycol meeting applicable heavy-duty formulation specifications.IEG - Full strength (non-diluted) Inhibited Ethylene Glycol meeting applicable heavy-duty formulation specifications.Coolant - The fluid mixture circulating in the engine cooling system.The following terms are used throughout this section and must be understood. Therefore, coolant must be carefully selected and properly maintained. Without adequate coolant, normal heat transfer cannot take place within the engine, and engine temperature rapidly rises. In an engine having proper coolant flow, some of the heat of combustion is conveyed through the cylinder walls and the cylinder head into the coolant. The coolant provides a medium for heat transfer and controls the internal temperature of the engine during operation. ![]()
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