807767T Mercruiser BRACKET, Idler Adjustment

2. Loosen two clamps and slide the small hose (1) behind the water heater back on the pipe.3. Disconnect the inlet hose assembly (2) from bottom of the water pump. 4. Remove two bolts (3) from the top of the water pump.5. Remove two bolts (5) and water pump (4) from the timing gear cover. Check the condition of the O-ring seal in the water pump. If the seal has damage, use a new part for replacement.Install Water Pump
1. Install a new O-ring seal in the groove on water pump (1). Put the water pump in position in the timing gear cover. Install the four bolts that hold it. 2. Connect the hose (2) between the water pump and pipe. Tighten the two clamps.3. Connect the inlet hose (3) to the bottom of the water pump.4. Install the left side fan guard and left side engine guard assemblies.5. Fill the cooling system with coolant to the correct level. See LUBRICATION AND MAINTENANCE GUIDE.Disassemble Water Pump
start by:a) remove water pump 1. Remove cover (1) from water pump (2). 2. Loosen bolt (3) .25 in. (6.35 mm). 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) 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. Heat the bearing (5) in oil to a maximum temperature of 275°F (135°C) and install on gear (6). 6. Put gear (6) and bearing in position on shaft and install bolt and washer.
Clean water only permitted for use as a lubricant to aid 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. Press 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 27 1 lb.ft. (38 1 N m).10. Install gasket and cover on the housing.end by:a) install water pump