ROD AS 9T2865 - Caterpillar

Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
Drain the coolant from the cooling system to a level below the water temperature regulator, into a suitable container for storage or for disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct draining procedure.
Illustration 1 g01269478
Typical example
Loosen the hose clamps from the upper radiator hose and disconnect the upper radiator hose from water temperature regulator housing (2).
Remove bolts (1) from water temperature regulator housing (2).
Remove water temperature regulator housing (2) from the cylinder head. Note: Note the orientation of the water temperature regulator housing.
Illustration 2 g01269481
Typical example
Remove O-ring seal (3) from water temperature regulator housing (2). Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 3 g01263044
Typical example
Ensure that all components of water temperature regulator housing (2) are clean and free of wear or damage. Check the water temperature regulator for correct operation. Refer to Systems Operation, Testing and Adjusting, "Water Temperature Regulator - Test" for the procedure to test the water temperature regulator. If any components of the water temperature regulator housing are worn or damaged, the complete assembly must be replaced.
If the original water temperature regulator housing is installed, position a new O-ring seal (3) into the groove in the water temperature regulator housing (2). Ensure that locating tab (4) is correctly seated in water temperature regulator housing (2). A new water temperature regulator housing is supplied with a new O-ring seal.
Install water temperature regulator housing (2) to the cylinder head. Note: Ensure the correct orientation of the water temperature regulator housing.
Illustration 4 g01269478
Typical example
Install bolts (1). Tighten the bolts to a torque of 44 N m (32.5 lb ft).
Connect the upper radiator hose and tighten the hose clamps securely.
Fill the cooling system to the correct level. Refer to Operation and Maintenance Manual, "Cooling System Coolant Level - Check" and Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct filling procedure.