HUB-BRAKE 4506062 - Caterpillar

2. Loosen the clamps on breather tube (1) and pull it back for clearance. 3. Remove bolt (2) from the cover on the side of the cylinder block. 4. Remove the four bolts that hold cover (3) to the water pump. Remove cover (3) from the water pump. 5. Remove two bolts (4), and remove bonnet (5). 6. Remove six bolts (6) that hold the water pump to the timing gear cover. Remove the water pump.7. Check the O-ring seals and gaskets, and make replacements if needed. For installation of the water pump, reverse the removal steps.8. See the Operation & Maintenance Manual for coolant refill.End By:a. install alternator and mounting groupb. install water temperature regulatorsDisassemble & Assemble Water Pump
Start By:a. remove water pump Fluid Spillage ContainmentCare must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to "Tools And Shop Products Guide", NENG2500 for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates. The water pump seal can be replaced without removing the water pump from the engine.An intermittent leakage of a small amount of coolant from the hole in the water pump seal failure. This is required to provide lubrication for the seal. Replace the water pump seal only if a large amount of leakage or a constant flow of coolant is observed draining from the water pump housing. 1. Remove O-ring seal (3) from adapter (4). Remove the adapter from housing (7). Remove the O-ring seal from the outside of the adapter.2. Remove bolt (1) and washer (2). Use Tool (A) to remove impeller (6) from shaft (13).3. Remove spring and seal (5) from the shaft.4. Remove four bolts (16) from retainer (12) that hold the shaft assembly to the pump housing. Remove O-ring seal (18) from housing (7).5. Remove gear and shaft assembly (17) from the housing. Remove bolt (15), retainer (14), and retainer (12) from the shaft assembly.6. Use a press to remove shaft (13) from the gear. Remove bearing (9), spacer (10), and bearing (11) from the shaft.7. Remove lip seal (8) from the housing.8. Turn the housing over, and remove ceramic ring (20) and seal (19) from the housing. The following steps are for the assembly of the water pump.9. Use 4C-9500 Quick Cure Primerand clean shaft (13) and the seal counter bore in the pump housing10. Install bearing (9), spacer (10), and bearing (11) on shaft (13).11. Put retainer (12) and gear (17) on the shaft assembly. Install retainer (14) and bolt (15) on the shaft.12. Use Tool (B) to install lip seal (8) in housing (7). Install seal with the lip toward the inside of the housing. Put a small amount of clean engine oil on the lip of the seal.13. Install a new O-ring seal (18)