MANIFOLD ASSEM. 7G8279 - Caterpillar

Remove Raw Water Pump
1. Drain the coolant from the cooling system into a suitable container for storage or disposal. 2. Remove bolts (2), elbows (1) and the gaskets from the raw water pump. 3. Remove nuts (4), raw water pump (3) and gasket from the front timing gear cover.Install Raw Water Pump
1. Put the gasket and raw water pump (1) into position on the front timing gear cover and install the nuts that hold them. 2. Install the gasket, elbows (2) on the raw water pump with bolts (3).3. Fill the cooling system with coolant to the correct level. See the Operation & Maintenance Manual.Disassemble Raw Water Pump
Start By:a. remove raw water pump 1. Remove screws (1) and cover assembly (2) from body assembly (3). 2. Remove plate (5) and gasket (4) from the cover assembly. 3. Remove seal (6) and impeller assembly (7) from the body assembly. Make a note of the direction of the impeller blades for correct assembly. 4. Remove seal (8) from the shaft. 5. Use Tool (A) and remove ring (10) from the shaft.6. Remove cover (9) (part of the seal assembly) from the body assembly. 7. Remove spring (11) (part of seal assembly) from the body assembly. 8. Remove carbon seal (12) (part of seal assembly) from the body assembly. 9. Remove bolts (14) and remove housing (13) from body assembly (3). 10. Remove cam (15) and ceramic seal (16) (part of the seal assembly) from body assembly (3). 11. Remove plate (17) from the body assembly. 12. Remove seal (18) from the shaft. 13. Use Tool (B) and remove ring (19) from the housing. 14. Use a press and remove shaft (20) and the bearings from housing (13). 15. Use a press and Tool (C) to remove bearings (21) from shaft (20). 16. Remove seal (22) from housing (13).Assemble Raw Water Pump
1. Use Tooling (A) and install seal (1) in housing (2). Make sure the lip of the seal is toward the bearing bore as shown. Put 1P-0808 General Purpose Lubricanton the lip of the seal. 2. Use a press and Tool (B) to install bearings (4) on shaft (3). 3. Put 1P-0808 General Purpose Lubricanton the bearings and in the bearing bore of housing (2).4. Use a press and install shaft (3) and the bearings in housing (2). 5. Use Tool (C) and install ring (5) in the housing. 6. Inspect seal (6) for wear or damage and make a replacement if necessary.7. Put clean engine oil on seal (6) and install the seal on the shaft as shown. 8. Put plate (8) in position in body assembly (7) as shown. 9. Make an alignment of the dowel (10) in body assembly (7) with cam (9). Install cam (9) in body assembly (7). 10. Install housing (2) on body assembly (7) and install the bolts that hold the two together. Parts (11), (12), (13) and (14) come as a seal assembly only.11. Put clean engine oil on the rubber part