TUBE 1722596 - Caterpillar

Removal Procedure
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
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.
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.
Drain the engine coolant into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Refill Capacities".
Illustration 1 g01206371
Open engine hood (1).
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Remove bolts (3) and step (2).
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Remove bolts (4), bolts (6), bolt (7), and cover (5).
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Remove bolts (8) and cover (9).
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Remove bolts (10) and panel (11).
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Disconnect hoses (14), (15), (19), and (18).
Remove clip (13).
Remove bolts (12), bolts (16), water pump (17), and the gasket.