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4. Add some distilled water to tank (B) to flush out any
remaining contaminants.
5. Drain the distilled water that was used to clean the tank.
6. Reinstall drain plug (A) into tank (B).
7. Refill the DEF tank. For instructions, refer to
NOTE:
Do NOT refill the tank if storing it for 6 months or longer.
6.5.2 Twin-Flow Cooling System
The engine cooling system is designed to maintain engine operating temperature within the specified operating range; it
also has the ability to reverse and clear debris off the cooler screens.
Figure 6.18: Twin-Flow Cooling System
A - Air Conditioning Condenser
D - Air Conditioning Box
NOTE:
Antifreeze is essential in any climate. It broadens the operating temperature range by lowering the coolant freezing point
and by raising its boiling point. Antifreeze also contains rust inhibitors and other additives to prolong engine life.
IMPORTANT:
If antifreeze strength is not adequate, do NOT drain the cooling system to protect against freezing. The system may not
drain completely, and damage from freezing could still result.
For more information, refer to
262171
MAINTENANCE AND SERVICING
Filling Diesel Exhaust Fluid Tank, page
A
E
B - Charge Air Cooler
E - Engine Radiator
6.1.2 Lubricants, Fluids, and System Capacities, page
B
C
C - Hydraulic Oil Cooler
279.
295
293.
D
Revision A
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Troubleshooting
