RADIATOR GP 1W3045 - Caterpillar

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Climbing equipment may be required to access this service point. Refer to the Operation and Maintenance Manual, "Mounting and Dismounting"
topic for safety information.
Engines That Are Equipped With a Sight Gauge
Illustration 1 g00750429
(1) Filler cap
(2) Sight gauge If the engine is equipped with a sight gauge, observe the position of the coolant in the sight gauge. At normal operating temperature, the proper coolant level is in the upper half of the sight gauge. If the coolant level is low, add the proper coolant mixture.Engines That Are Not Equipped With a Sight Gauge
Pressurized System: Hot coolant can cause serious burns. To open the cooling system filler cap, stop the engine and wait until the cooling system components are cool. Loosen the cooling system pressure cap slowly in order to relieve the pressure.
Check the coolant level when the engine is stopped and cool. Check the coolant level only after the engine has been stopped and the cooling system filler cap is cool enough to touch with your bare hand. Remove the cooling system filler cap slowly in order to relieve any pressure. Maintain the coolant within 13 mm (0.5 inch) below the bottom of the filler pipe.Add Coolant
Note: For the proper coolant mixture to use, see this Operation and Maintenance Manual, "Refill Capacities and Recommendations"
(Maintenance Section).
Stop the engine. Allow the engine to cool.
Remove the cooling system filler cap slowly in order to relieve any pressure. Pour the proper coolant mixture into the filler pipe.
Illustration 2 g00103639
Gaskets
Clean the cooling system filler cap. Inspect the gaskets of the cooling system filler cap. If the gaskets are damaged, replace the old cooling system filler cap with a new cooling system filler cap. Install the cooling system filler cap.
Start the engine. Inspect the cooling system for leaks.