Lubrication & Maintenance/500 Hour/12 Month Replenishing Supplemental Coolant Additives (SCAs) Between Coolant Changes IMPORTANT: Do not add supplemental coolant additives when the cooling system is drained and refilled with John Deere COOL-GARD NOTE: If system is to be filled with coolant that does not contain SCAs, the coolant must be precharged. Determine the total system capacity and premix with 3% John Deere Coolant Conditioner. RG6261 –UN–08DEC97 Through time and use, the concentration of coolant additives is gradually depleted during engine operation. Periodic replenishment of inhibitors is required, even when John Deere COOL-GARD is used.
The cooling system must be recharged with additional supplemental coolant additives available in the form of liquid coolant conditioner. Radiator Coolant Check Maintaining the correct coolant conditioner concentration (SCAs) and freeze point is essential in your cooling system to protect against rust, liner pitting and corrosion, and freeze-ups due to incorrect coolant dilution. John Deere LIQUID COOLANT CONDITIONER is recommended as a supplemental coolant additive in John Deere engines. RG6262 –UN–05DEC97 DO NOT mix one brand of SCA with a different brand.
Test the coolant solution at 500 hours or 12 months of operation using either John Deere coolant test strips or a COOLSCAN or COOLSCAN PLUS analysis. If a COOLSCAN or COOLSCAN PLUS analysis is not available, recharge the system per instructions printed on label of John Deere Liquid Coolant Conditioner. JT07298 Coolant/Battery Tester COOL-GARD is a trademark of Deere & Company COOLSCAN is a trademark of Deere & Company COOLSCAN PLUS is a trademark of Deere & Company Continued on next page DPSG,OUOD002,1921 –19–25FEB03–1/2 30-17 021604 PN=154