846736 Volvo.Penta Lock screw

2. Loosen the clamp and disconnect hose (1).3. Loosen hose clamp (3) that holds hose (2) to the elbow. 4. Loosen hose clamps (5) and move hose (4) down away from the water pump. 5. Remove bolt (6) and the bolts that hold water pump (8) to the timing gear cover.6. Make a separation of elbow (7) and the water pump.Install Water Pump
1. Install the gasket and elbow (1) on the water pump.2. Make sure the O-ring seal is in position on the water pump.3. Install water pump (2) and the bolts. Make an alignment of the hose for elbow (1). 4. Put hose (3) in position and install the hose clamps. 5. Connect hose (4) and tighten the clamp.6. Tighten hose clamp (5).7. Fill the cooling system with coolant to the correct level.Disassemble Water Pump
start by:a) remove water pump 1. Remove cover (1) from water pump (2). 2. Loosen bolt (3) 6.35 mm (.25 in.). Hit the bolt with a soft hammer to remove impeller (4) from the shaft. 3. Remove spring and seal assembly (5) from the shaft (6). 4. Turn the housing over and remove bolt and washer (7). Remove bearing (8) and gear (9) as a unit. 5. Use tool (A), tooling (C) and a press to remove bearing (8) from gear (9). 6. Remove snap ring (10) with tool (B). 7. Remove bearing (11) and shaft (6) as a unit. 8. Use tool (A) and a press to remove bearing (11) from the shaft. 9. Remove the ceramic ring and seal (12) from the housing. 10. Remove the lip seal (13) from the housing with tool (C).Assemble Water Pump
1. Install lip seal in water pump housing with tooling (A). The lip of the seal must be toward the bearings. Put clean SAE 30 engine oil on the lip of the seal. 2. Use a press to install shaft (1) in bearing (2). 3. Install the shaft (1) and bearing in the housing (3). 4. Install snap ring (4) in housing with tool (B). 5. Use a press and tooling (A) to install bearing (5) on gear (6). 6. Put gear (6) and bearing in position on shaft and install bolt and washer.
Clean water only is permitted for use as a lubricant for assembly. 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.
7. Put the ceramic ring (7) in position in the rubber seal. Use hand pressure and the tool (which is with the replacement ring) to install the ceramic ring. 8. Remove spring from the seal assembly (8). Use hand pressure and the tool (which is with the replacement ring) to install the seal assembly. Push seal assembly on shaft until seal faces make light contact. 9. Install spring (9). Put impeller (10) in position and install washer and bolt. Tighten bolt to a torque of 38 1.4 N m (27 1 lb.ft.).10. Install gasket and cover on the housing.end by:a) install water pump