OMRG25204 oem uncert & tier 1.pdf - John Deere Industrial Engines

Lubrication & Maintenance/500 Hour/12 MonthIMPORTANT: ALWAYS maintain coolant at correctlevel and concentration. DO NOToperate engine without coolant evenfor a few minutes.If frequent coolant makeup isrequired, the glycol concentrationshould be checked with JTO7298Coolant/Battery Tester to ensure thatthe desired freeze point ismaintained. Follow manufacturer’sinstructions provided withCoolant/Battery Tester.The use of non-recommended supplemental coolantadditives may result in additive drop-out and gelationof the coolant.If other coolants are used, consult the coolant supplierand follow the manufacturer’s recommendation for useof supplemental coolant additives.See DIESEL ENGINE COOLANTS ANDSUPPLEMENTAL ADDITIVE INFORMATION forproper mixing of coolant ingredients before adding tothe cooling system.Add the manufacturer’s recommended concentration ofsupplemental coolant additive. DO NOT add more thanthe recommended amount.DPSG,OUOD002,1921–19–07JAN02–2/2Testing 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,COOL9–19–19DEC03–1/135-12 110306PN=92