C6.6 Industrial Engine Water Temperature Regulator - Remove and Install Caterpillar


Water Temperature Regulator - Remove and Install
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1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

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.


  1. 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 1g01985853
    Typical example

  2. Loosen the hose clamps from the upper radiator hose and disconnect the upper radiator hose from water temperature regulator housing (2).

  3. Remove bolts (1) from water temperature regulator housing (2).

  4. Remove water temperature regulator housing (2) from the cylinder head.

    Note: Note the orientation of the water temperature regulator housing.

Installation Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 2g01985853
    Typical example

  1. Ensure that all components of water temperature regulator housing (2) are clean and free of wear and damage. If any components of the water temperature regulator housing are worn or damaged, the complete assembly must be replaced.

  2. Check the water temperature regulator for correct operation. Refer to System Operation, Testing, and Adjusting, "Water Temperature Regulator - Test" for the procedure to test the water temperature regulator. If the water temperature regulator is no operating correctly, the complete assembly must be replaced.

  3. Install water temperature regulator housing (2) to the cylinder head.

    Note: Ensure the correct orientation of the water temperature regulator housing.

  4. Install bolts (1). Tighten the bolts to a torque of 22 N·m (195 lb in).

  5. Connect the upper radiator hose and tighten the hose clamps securely.

  6. Fill the cooling system to the correct level. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Check" and Operation and Maintenance Manual, "Cooling System Coolant - Change" for the correct filling procedures.

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