Fuels, Lubricants and Coolant
01
002
15
RG,01,DT7033 –19–29OCT97–1/2
Flush and Service Cooling System
TS281 –UN–23AUG88
CAUTION: Explosive release of fluids from
pressurized cooling system can cause serious
burns. Shut off engine. Only remove filler cap
when cool enough to touch with bare hands.
Slowly loosen cap to first stop to relieve
pressure before removing cap completely.
IMPORTANT: Air must be expelled from cooling
system when system is refilled. Follow
procedure given in your operator’s
manual.
The ethylene glycol base (antifreeze) can become
depleted of SCAs allowing various acids to form that will
damage engine components. In addition, heavy metals,
such as lead, copper and zinc, accumulate in the ethylene
glycol base. The heavy metals come from corrosion that
occurs to some degree with in a cooling system. When a
coolant is saturated to the point where it can no longer
hold heavy metals and other dissolved solids, they settle
out and act as abrasives on engine parts.
NOTE: Refer to your operator’s manual for a specific
service interval.
Flush cooling system as described in your operator’s
manual. Clean cooling system with clean water and
TY15979 John Deere Heavy-Duty Cooling System
Cleaner or an equivalent cleaner such as FLEETGUARD

RESTOREor RESTORE PLUS. Follow the instructions
provided with the cleaner. Refill cooling system with the
appropriate coolant solution. See ENGINE COOLANT
SPECIFICATIONS, earlier in this group.
FLEETGUARD is a registered trademark of the Cummins Engine
Company.
RESTORE is a trademark of FLEETGUARD.
RESTORE PLUS is a trademark of FLEETGUARD.
Continued on next page
CTM100 (06APR04)
01-002-15
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=45
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