CYLINDER AS 9J4152 - Caterpillar

At operating temperature, the engine coolant is hot and under pressure.Steam can cause personal injury.Check the coolant level only after the engine has been stopped and the fill cap is cool enough to touch with your bare hand.Remove the fill cap slowly to relieve pressure.Cooling system conditioner contains alkali. Avoid contact with the skin and eyes to prevent personal injury.
Open the front left engine access door. The sight glass for the coolant level is located on the left side of the top water tank.
Illustration 1 g01228797
Maintain the coolant level above the sight glass.
Illustration 2 g00122865
If necessary, open the radiator cap access cover. Remove the radiator cap. Add coolant into the coolant tank. Do not overfill the tank.
Inspect the radiator cap and the radiator cap seal for debris, for foreign material, or for damage. Clean the radiator cap with a clean cloth. Replace the radiator cap if the radiator cap is damaged.
Install the radiator cap.