REPLENISHING SUPPLEMENTAL COOLANT ADDITIVES (SCA'S) BETWEEN COOLANT
your cooling system to protect against rust, liner pitting
IMPORTANT: Do not add supplemental coolant
and corrosion, and freeze-ups due to incorrect coolant
additives when the cooling system is
drained and refilled with John Deere
ANTIFREEZE/SUMMER COOLANT or
John Deere COOL-GARDTM.
John Deere LIQUID COOLANT CONDITIONER is
recommended as a supplemental coolant additive
NOTE: If a system is to be filled with coolant that does
in John Deere engines.
not contain SCA's, the coolant must be
precharged. Determine the total system
Do Not mix one brand of SCA with a different
capacity and premix with 3 % John Deere
Test the coolant solution at 6 months or 15,000 miles
at low speed operation service interval or 12 months or
Through time and use, the concentration of coolant
25,000 miles at normal operation service interval using
additives is gradually depleted during engine operation.
either John Deere coolant test strips or a CoolScanTM
Periodic replenishment of inhibitors is required, even
analysis. If a CoolScanTM analysis is not available,
when John Deere ANTIFREEZE/SUMMER COOLANT
recharge system per instructions printed on label of
is used. The cooling system must be recharged with
John Deere Liquid Coolant Conditioner.
additional supplemental coolant additives available in
the form of liquid coolant conditioner.
Maintaining the correct coolant conditioner
concentration (SCAs) and freeze point is essential in
COOL-GARD is a trademark of Deere & Company.
CoolScan is a trademark of Deere & Company.
Continued on next page