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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 cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure cap is cool enough to touch with your bare hand. Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns. Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes. |
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Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life. |
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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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products. Dispose of all fluids according to local regulations and mandates. |
- Drain the level of the coolant below the water outlet manifold. Drain the coolant into a suitable container for storage or disposal.
Show/hide table
Illustration 1 g01062741 Show/hide table
Illustration 2 g01062742 - Remove bolts (5) and the washers that hold tube assembly (4) to water outlet manifold (2).
- Disconnect harness assembly (1) and lay the harness assembly aside.
- Remove bolts (7) and the washers.
- Remove water outlet manifold (2) and water temperature regulator housing (3) as a unit from the cylinder head. Remove the gaskets.
- Remove plugs (6), if necessary.
