CONE-SPECIAL TAPERED 1960423 - Caterpillar

You must read and understand the warnings and instructions contained in the Safety section of this manual before performing any operation or maintenance procedures.Cooling System
Change Coolant/Clean System
Do not change the coolant until you read and understand the material under the topic Cooling System Specifications in the Maintenance Section of the manual.
Drain the coolant earlier whenever the coolant is dirty or foaming is observed.The radiator cap is located in the top of the hood.
5BF4000-5499, 4FG4000-5499
5BF5500-UP, 4FG5500-UP1. Remove the radiator cap slowly to relieve pressure. 2. Open the drain valve and allow the coolant to drain into a suitable container. Drain valve is located under the radiator.3. Close the drain valve. Fill the system with clean water and a 6 to 10 percent concentration of cooling system cleaner.4. Start and run the engine for 90 minutes. Stop the engine and drain the cleaning solution.5. With the engine stopped, flush the system with water until the draining water is clear.6. Close the drain valve.7. Add the coolant solution. See the topics Cooling System Specifications and Lubricant Viscosities and Refill Capacities in the Maintenance Section of the manual. Do not add supplemental coolant additive or change element at this time, unless you are not using Caterpillar Antifreeze which contains additive.8. Start the engine and operate it with the radiator cap off, until the thermostat opens and the coolant level stabilizes.9. Maintain the coolant level to within 1 cm (.50 in) of the bottom of the fill pipe.10. Replace the cap if the gasket is damaged. Install the cap.11. Stop the engine.Clean Outside of Radiator Fins
Compressed air is preferred, but high pressure water or steam can be used to remove dust, leaves and general debris from radiator fins.Add Extended (For Engines Using LLC Only)
For engines using Caterpillar Long Life Coolant, Extender must be added every 3000 hours or 2 years. Refer to the chart that follows to add the recommended amount of Extender to your cooling system. With the exception of adding the Extender and maintaining your coolant level, no other maintenance is required. For more information on adding Extender to your cooling system, refer to the Cooling System Specifications or contact your Caterpillar dealer.