ADAPTER 3M4968 - Caterpillar

1. Drain the coolant from the cooling system to a level below that of the water pump.2. Remove elbow (1).3. Remove bolts (4) that hold cover (2) to the water pump. Remove bolts (5) that hold elbow (3) to cover (2).4. Remove line (6).5. Remove cover (2). Remove elbow (3). 6. Remove four bolts (7).7. Remove nuts (8) and one bolt (not shown). Remove water pump.Install Water Pump
1. Put the water pump in position on the timing gear cover. Install nuts (8) and one bolt that hold the pump to the timing gear cover.2. Install four bolts (7). 3. Put clean engine oil or glycerin on O-ring seals (9). Install elbow (3). 4. Put cover (2) in position on the water pump. Install bolts (4) that hold the cover to the water pump and bolts (5) that hold elbow (3) to the cover.5. Install elbow (1).6. Install line (6).7. Refill the cooling system to the proper level. See the Operation & Maintenance Manual.Disassemble Water Pump
Start By:a. remove water pump 1. Remove O-ring seal (1) from adapter (2).2. Remove adapter (2) with a screwdriver. Remove the seal from the edge of adapter (2).3. Remove bolt (3) and washer. 4. Remove impeller (4) from the water pump housing with Tool (A). 5. Remove seal assembly (5). Remove ring and seal (6). 6. Remove the bolt and washer that hold gear (7) on the water pump shaft.7. Remove gear (7) with Tool (B).8. Remove bolts and retainer (9).9. Remove O-ring seal (8). 10. Remove shaft (10) and bearings as a unit.11. Remove bearing (11), spacer (12) and bearing (13) from shaft (10).12. Remove lip type seal from the gear side of the water pump housing. Remove ring and seal from the impeller side of the water pump housing.Assemble Water Pump
1. Put clean engine oil or glycerin on the lip of seal (1). Use Tool (A) to install seal (1) as shown. Make sure the seal is flush in the counterbore. 2. Install bearing (4), spacer (3) and bearing (5) on shaft (2). Install shaft (2) in the water pump housing. 3. Install retainer (7) and O-ring seal (8).4. Install gear (6). Install washer and bolt that hold gear (6) to shaft (2).
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 toward the carbon seal assembly.
5. Put ceramic ring (10) in position in the rubber seal (9). Use hand pressure and the tool (which is with the replacement ring) to install the ceramic ring in the water pump housing. 6. Remove the spring from seal assembly (11). Use the tool that is with the replacement ring to install seal assembly (11). Push