HOSE AS 1689762 - Caterpillar

Personal injury can result from hot coolant, steam, and alkali.At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.Remove cooling system pressure cap slowly to relieve pressure only when engine is stopped and allow sufficient time for the cooling system to cool.Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes.
Refer to Operation and Maintenance Manual, "Access Doors and Covers" for the location of the service points.
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Maintain the coolant level between the "FULL" mark and the "ADD" mark on coolant tank (1) .
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If necessary, add the appropriate coolant mixture.
Open cover (2) .
Clean the area around the filler cap of any dirt or debris. Cleaning the area around the cap must be done before the filler cap can be removed.
Remove the filler cap slowly in order to relieve pressure.
Add coolant through the filler tube.
Install the filler cap. Close the cover.