769D Off-Highway Truck and 771D Quarry Truck Caterpillar


Cooling System Coolant Level - Check

Usage:

769D 5SS


NOTICE

Adding coolant to an overheated engine could result in damage to the engine. Allow the engine to cool before adding coolant.

If the machine is to be stored in, or shipped to, an area with freezing temperatures, the cooling system must be protected to the lowest outside (ambient) temperature.

The engine cooling system is normally protected to a minimum of −29°C (−20°F) with Caterpillar Antifreeze, when shipped from the factory unless special requirements are defined.




Illustration 1g00517240

Note: If you must add coolant daily, check for leaks.



    Illustration 2g00522739

  1. Maintain the coolant level at the full mark in the sight glass.

    Note: Always add the same coolant type that is in the machine. Do not mix coolant types. This can reduce the effectiveness of the coolant. Also, mixing coolant types can shorten the coolant life.

  2. If necessary, add coolant.

  3. Install the radiator cap.

Caterpillar Information System:

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