POWERTECH™ 2.9 L OEM Diesel Engines - John Deere Industrial ...

Lubrication & Maintenance/500 Hour/12 MonthTesting Diesel Engine CoolantTesting Diesel Engine CoolantMaintaining adequate concentrations of glycol andinhibiting additives in the coolant is critical to protectthe engine and cooling system against freezing,corrosion, and cylinder liner erosion and pitting.Test the coolant solution at intervals of 12 months orless and whenever excessive coolant is lost throughleaks or overheating.Coolant test stripsCoolant test strips are available from your John Deeredealer. These test strips provide a simple, effectivemethod to check the freeze point and additive levels ofyour engine coolant.Compare the results to the supplemental coolantadditive (SCA) chart to determine the amount ofinhibiting additives in your coolant and whether moreJohn Deere COOLANT CONDITIONER should beadded.COOLSCAN and COOLSCAN PLUSFor a more thorough evaluation of your coolant,perform a COOLSCAN or COOLSCAN PLUS analysis,where available. See your John Deere dealer forinformation.COOLSCAN is a trademark of Deere & CompanyCOOLSCAN PLUS is a trademark of Deere & CompanyDX,COOL9–19–19DEC03–1/135-9 060106PN=92