PIN 2501057 - Caterpillar

Removal Procedure
Start By:
Connect the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect" for the machine that is being serviced.Note: Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar 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 filler cap slowly to relieve pressure only when engine is stopped and radiator cap is cool enough to touch with your bare hand.Cooling System Conditioner contains alkali. Avoid contact with skin and eyes.
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.
Drain the coolant from the Separate Circuit Aftercooler System (SCAC). Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change" for the machine that is being serviced. Drain all fluids in a suitable container for storage or disposal. The capacity of the Separate Circuit Aftercooler System (SCAC) is 86 L (23 US gal).
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Remove six bolts (2) and upper grill (1) .
Remove four bolts (4) and lower grill (3) .
Open door (5)
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Remove fourteen bolts (6) and lower shield assembly (7) .Note: The water pump for the Separate Circuit Aftercooler System (SCAC) is located on the right side of the engine.
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Loosen two hose clamps (10) in order to disconnect hose (9) from elbow (8) .
Disconnect hose assembly (11) from elbow (8) .
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Remove two bolts (12), two bolts (13), elbow (8), and O-ring seal (14) .
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Remove two bolts (15), the washers, two retainers (16), and retaining ring (17) .
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Remove two bolts (18), two bolts (19), elbow (20), and gasket (21) .
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Disconnect hose assembly (23) from water pump (22) .
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Remove six bolts (25) and the washers.
Use two persons in order to remove water pump (22). The weight of water pump (22) is 32 kg (70 lb).
Remove O-ring seal (24) .