KIT-SEAL 2666602 - Caterpillar

Removal Procedure
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.
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.
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.
Open the hood. Refer to Operation and Maintenance Manual, "Engine Compartment Hood - Raise/Lower" for the correct procedure to raise the hood.
Remove the engine side guards. Refer to Disassembly and Assembly, "Engine covers - Remove and Install" for the correct procedure to remove the engine covers.
Drain the coolant from the cooling system into a suitable container for storage or disposal. The capacity of the cooling system is approximately 75 L (20 US gal). Refer to Operation and Maintenance Manual, "Cooling System Coolant (DEAC) - Change" for the proper draining procedure.
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Loosen hose clamps (2) and (3). Disconnect hose (1) and remove hose (4) from water pump (5) .
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Loosen hose clamp (6) and disconnect hose (7) .
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Loosen hose clamps (8). Remove two bolts and washers (11). Remove Flange (10), hose (9), and gasket (12) .
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Remove two bolts (13). Remove two bolts (14). Remove two bolts (15) .
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Remove two bolts (18) that fasten flange (17) and tube (19). Move flange (17) downward and remove gasket (16) .
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Separate water pump (20) from front housing (22). Inspect O-ring (21). If necessary, replace the O-ring.
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If necessary, separate tube (19) from flange (17) and water pump (5). Remove O-rings (23) and inspect O-rings (23) .