PANEL GP-INSTRUMENT 4174688 - Caterpillar

3. Remove four bolts (1) and elbow (2). 4. Check the condition of O-ring seal (3). Use a new part for replacement if O-ring seal (3) is worn or damaged. 5. Remove bolts (4) from the timing gear cover and water pump (5). Remove water pump (5).
Typical Example6. Check the condition of O-ring seal (6). Use a new part for replacement if O-ring seal (6) is worn or damaged.7. Install the water pump in the reverse order of removal.End By:a. install the oil cooler and oil filter baseb. install the water temperature regulator and manifold8. Fill the engine with coolant to the correct level. Refer to the Operation & Maintenance Manual for the correct procedure.Disassemble & 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 of 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 housing is not an indication of a 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 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 Tooling (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-type 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 Primer and clean shaft (13) and the seal counter bore in the pump housing.10. 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 Tooling (B) to install lip-type 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