PIN 1919635 - Caterpillar

Remove Water Pump
1. Drain the coolant from the cooling system. 2. Remove bolts (2) and elbow (1) from the oil cooler and water pump. 3. Remove adapter (3) from the oil cooler. 4. Remove bracket (4) and breather tube (5) from the engine. 5. Remove tube (6) and elbow (7) from the engine. 6. Remove bolts (9) and water pump (8) from the engine.Install Water Pump
1. Make sure all gasket surfaces are clean and free of dirt.2. Inspect the seals for wear or damage and make a replacement if necessary. Put clean engine oil or glycerine on the seal at the time of installation. 3. Put water pump (1) in position on the timing gear plate and install the bolts that hold it. Make sure that the water pump gear and the gear in the front cover are in alignment. 4. Install tube (2), the gasket and elbow (3) on the engine. 5. Install tube (4) on the valve cover and connect bracket (5) to the cylinder block. 6. Install adapter (6) on the oil cooler. 7. Install the gaskets and elbow (7) on the water pump and oil cooler.8. Fill the cooling system with coolant to the correct level. See MAINTENANCE GUIDE.Disassemble Water Pump
START BY:a) remove water pump 1. Remove O-ring seal (1) from the adapter.2. Remove adapter (2) from the housing. Remove the O-ring seal from the outside diameter of the adapter.3. Remove bolt (3) and retainer that hold the impeller on the shaft. 4. Use tooling (A) to remove impeller (4) from the shaft. 5. Remove spring and seal (5) from the shaft. 6. Remove four bolts (7) from retainer (6) that holds the shaft assembly to the pump housing.7. Remove O-ring seal (8) from the housing. 8. Remove gear and shaft assembly (10) from the housing.9. Remove bolt (9) and retainer from the shaft assembly. 10. Use a press to remove the shaft assembly from gear (11). Remove the retainer from the shaft assembly. 11. Remove bearing (13), spacer (14) and bearing (12) from the shaft. 12. Remove lip type seal (15) from the housing.13. Turn the housing over and remove ceramic ring (16) and the seal.Assemble Water Pump
1. Install bearing (4), spacer (3) and bearing (2) on shaft (8).2. Put retainer (1) and gear (7) in position on the shaft assembly. Install retainer (6) and bolts (5). 3. Use tooling (A) to install the lip seal in the housing with the lip of the seal up as shown. Put a small amount of SAE 30 oil on the lip of the seal. 4. Install a new O-ring seal (10) on the housing.5. Put shaft assembly (9) in position in the housing. Install the bolts that hold the retainer to the housing.
Clean water only is permitted for use as a lubricant for assistance at installation. Do not damage or put hands on the wear surface of the carbon ring or the ceramic ring. Install the ceramic ring with the smoothest face of the ring