303.5D, 304D, 305.5D and 305D Mini Hydraulic Excavators Engine Supplement Water Temperature Regulator - Remove and Install Caterpillar


Water Temperature Regulator - Remove and Install
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303.5D, 304D, 305.5D and 305D Mini Hydraulic Excavators Engine Supplement [UENR0101]
COOLING SYSTEM
LINES GP-WATER
303.5D, 304D, 305.5D and 305D Mini Hydraulic Excavators Engine Supplement Water Temperature Regulator - Remove and Install
1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure


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.

Refer to Special Publication, NENG2500, "AVSpare Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on AVSpare products.

Dispose of all fluids according to local regulations and mandates.


------ WARNING! ------

At operating temperature, the engine coolant is hot and under pressure.

Steam can cause personal injury.

Check the coolant level only after the engine has been stopped and the fill cap is cool enough to touch with your bare hand.

Remove the fill cap slowly to relieve pressure.

Cooling system conditioner contains alkali. Avoid contact with the skin and eyes to prevent personal injury.

----------------------

  1. Drain the coolant from the cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".

  1. Open the engine door.



    Illustration 1g01222394

  1. Disconnect hose (1). Remove bolts (3), water temperature regulator housing (2) and the water temperature regulator.

Installation Procedure




    Illustration 2g01222394

  1. Install the water temperature regulator and water temperature regulator housing (2). Install bolts (3). Connect hose (1) .

  1. Fill the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".

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