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

Fuels, Lubricants, and CoolantSupplemental Coolant AdditivesThe concentration of coolant additives is graduallydepleted during engine operation. For allrecommended coolants, replenish additives betweendrain intervals by adding a supplemental coolantadditive every 12 months or as determined necessaryby coolant testing.John Deere COOLANT CONDITIONER isrecommended as a supplemental coolant additive inJohn Deere engines.IMPORTANT: Do not add a supplemental coolantadditive when the cooling system isdrained and refilled with JohnDeereCOOL-GARD.If other coolants are used, consult the coolant supplierand follow the manufacturer’s recommendation for useof supplemental coolant additives.The use of non-recommended supplemental coolantadditives may result in additive drop-out and gelationof the coolant.Add the manufacturer’s recommended concentration ofsupplemental coolant additive. DO NOT add more thanthe recommended amount.COOL-GARD is a trademark of Deere & CompanyDX,COOL4–19–07NOV03–1/1Operating in Warm Temperature ClimatesJohn Deere engines are designed to operate using glycolbase engine coolants.Always use a recommended glycol base engine coolant,even when operating in geographical areas where freezeprotection is not required.IMPORTANT: Water may be used as coolant inemergency situations only.Foaming, hot surface aluminum andiron corrosion, scaling, and cavitationwill occur when water is used as thecoolant, even when coolantconditioners are added.Drain cooling system and refill withrecommended glycol base enginecoolant as soon as possible.DX,COOL6–19–18MAR96–1/110-15 060106PN=39