Operating fluids and maintenance Operation and Maintenance Manual
Lubricants and operating materials
Requirements of the coolant
Use only pre-mixed cooling water of the same kind to avoid problems with the
cooling circuit.
An SI-OAT or hybrid technology with ethylene glycol is to be used as coolant, since
this technology provides the necessary cooling performance and cooling function
for engines.
Approved products:
– BASF GLYSANTIN® G40™ change interval 6 years
– BASF GLYSANTIN® G48™ change interval 4 years
The recommended coolant concentration is 40% to 50%.
The coolant can be monitored by means of an coolant analysis and the change
interval can be adjusted if required. Control parameter for the coolant:
Analysis Standard Unit Value
Visual
appearance
Typical color, clear, normal
smell, like new coolant
Nitrate DIN EN 12014 mg/kg <80
Nitrite DIN EN 12014 mg/kg <500
pH value DIN EN ISO
10523:2012-04
8.1 — 9.0
Freezing point DIN ISO 3016, ASTM
5985
°C -26
Tab. 16: Control parameter
44
© 2017 by Kohler Co. All rights reserved.
KD27V12 33521029401_3_1 en 2017-07-01
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