WRENCH- 4783996 - Caterpillar

Pressurized system: Hot coolant can cause serious burn. To open cap, stop engine, wait until radiator is cool. Then loosen cap slowly to relieve the pressure.
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The radiator cap is located on the top of the radiator on the right side of the machine. Remove the two bolts from the access plate. Remove the access plate.
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Remove the radiator cap slowly in order to relieve pressure.
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Maintain the coolant level between the "FULL" mark and the "LOW" mark on the coolant overflow reservoir. If you need to add coolant daily, check the cooling system for leaks.
Inspect the radiator cap seal. Replace the radiator cap seal if the radiator cap seal is damaged.
Install the radiator cap.