FRAME GP-UPPER 2329740 - Caterpillar

Do not change the coolant until you read and understand the cooling system information in Special Publication, SEBU6250, "Caterpillar Machine Fluids Recommendations".Failure to do so could result in damage to the cooling system components.
Mixing ELC with other products will reduce the effectiveness of the coolant.This could result in damage to cooling system components.If Caterpillar products are not available and commercial products must be used, make sure they have passed the Caterpillar EC-1 specification for pre-mixed or concentrate coolants and Caterpillar Extender.
Note: This machine was filled at the factory with Caterpillar Extended Life Coolant.If the coolant in the machine is changed to Extended Life Coolant from another type of coolant, see Special Publication, SEBU6250, "Caterpillar Machine Fluids Recommendations".
Open the right side access door.
Illustration 1 g03481997
Slowly loosen the cooling system pressure cap in order to relieve cooling system pressure. Remove the pressure cap.
Illustration 2 g03345392Note: Refer to Operation and Maintenance Manual, "General Hazard Information" for information on Containing Fluid Spillage.
Open the drain valve that is under the radiator. Allow the coolant to drain into a suitable container. Note: Dispose of drained fluids according to local regulations.
Illustration 3 g03483589
Remove bolts (1), washers (2) and access cover (3) from the top of the hood in order to fill the radiator.
Flush the cooling system with clean water until the draining water is transparent.
Close the drain valve.
Add the Extended Life Coolant. Refer to the following topics:
Special Publication, SEBU6250, "Caterpillar Machine Fluids Recommendations"
Operation and Maintenance Manual, "Capacities (Refill)"
Start the engine. Operate the engine without the cooling system pressure cap until the water temperature regulator opens and the coolant level stabilizes.
Maintain the coolant level within 13 mm (.5 inches) of the bottom of the filler pipe.
Inspect the gasket of the cooling system pressure cap. If the gasket is damaged, replace the pressure cap.
Install the cooling system pressure cap.
Stop the engine.
Open the engine hood.
Illustration 4 g03483639
(A) "FULL" level
(B) "LOW" level
Check the coolant level of the coolant reservoir. Maintain the coolant level between the "FULL" mark and the "LOW" mark.
If additional coolant is necessary, remove the reservoir cap and add the appropriate coolant solution.
Install the reservoir cap.
Install the access cover.
Close the right side access door.
Close the engine hood.