COUPLING AS 6V9969 - Caterpillar

Removal Procedure
Note: Cleanliness is an important factor. Thoroughly clean the exterior of the component before the disassembly procedure. Cleaning will help to prevent dirt from entering the internal mechanism.
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 filler cap slowly to relieve pressure only when engine is stopped and radiator cap is cool enough to touch with your bare hand.Cooling System Conditioner contains alkali. Avoid contact with skin and eyes.
Raise the engine hood.
Drain the cooling system coolant into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Refill Capacities".
Illustration 1 g01176920
Disconnect hose (1) .
Remove bolts (2), outlet pipe (3) and the gasket.
Illustration 2 g01176921
Remove water temperature regulators (4) .Installation Procedure
Note: Cleanliness is an important factor. Thoroughly clean all parts with cleaning fluid before assembly. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.
Illustration 3 g01176921
Install water temperature regulators (4) .
Illustration 4 g01176920
Install outlet pipe (3), the gasket, and bolts (2) .
Connect hose (1) .
Refill the cooling system with coolant. Refer to Operation and Maintenance Manual, "Refill Capacities".
Close the engine hood.