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

Lubrication & Maintenance/500 Hour/12 MonthReplenishing Supplemental Coolant Additives (SCAs) Between Coolant ChangesRG6261 –UN–08DEC97RG6262 –UN–05DEC97Radiator Coolant CheckJT07298 Coolant/Battery TesterIMPORTANT: Do not add supplemental coolantadditives when the cooling system isdrained and refilled with John DeereCOOL-GARD ®NOTE: If system is to be filled with coolant that doesnot contain SCAs, the coolant must beprecharged. Determine the total systemcapacity and premix with 3% John DeereCoolant Conditioner.Through time and use, the concentration of coolantadditives is gradually depleted during engine operation.Periodic replenishment of inhibitors is required, evenwhen John Deere COOL-GARD ® is used. The coolingsystem must be recharged with additionalsupplemental coolant additives available in the form ofliquid coolant conditioner.your cooling system to protect against rust, liner pittingand corrosion, and freeze-ups due to incorrect coolantdilution.John Deere LIQUID COOLANT CONDITIONER isrecommended as a supplemental coolant additivein John Deere engines.DO NOT mix one brand of SCA with a differentbrand.Test the coolant solution every 500 hours or 12months of operation using either John Deere coolanttest strips or a COOLSCAN ® analysis. If aCOOLSCAN ® analysis is not available, recharge thesystem per instructions printed on label of John DeereLiquid Coolant Conditioner.Maintaining the correct coolant conditionerconcentration (SCAs) and freeze point is essential inCOOL-GARD is a registered trademark of Deere & CompanyCOOLSCAN is a registered trademark of Deere & CompanyContinued on next page35-11 110306PN=91DPSG,OUOD002,1921–19–07JAN02–1/2