0338602 EVINRUDE FLOAT CHAMBER

3. Remove upper elbow (not shown), tube assembly (2), elbow (3), heater hose (1) and cover (4). 4. Remove four bolts (7) that connect the water pump to the flange.5. Remove four nuts (5) and one bolt (not shown) that hold the water pump to the timing gear cover. Remove water pump (6).Install Water Pump
1. Check all O-ring seals and gaskets. If damaged, use new parts for replacement. 2. Install O-ring seal (2).3. Put water pump (1) in position and install the bolt and four nuts that hold the water pump to the timing gear cover. Install the four bolts that hold the water pump to the flange. 4. Install cover (6), elbow (5), tube assembly (4), upper elbow (not shown) and heater hose (3).5. Install the fan belts. Tighten the fan belts to the correct tension. See LUBRICATION and MAINTENANCE GUIDE.6. 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 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 tooling (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 tooling (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. Remove ring and seal from the impeller side of the water pump.Assemble Water Pump
1. Put clean engine oil or glycerine on the lip of seal (1). Install seal (1) as shown with tooling (A). 2. Install bearing (4), spacer (3) and bearing (5) on shaft (2). Install shaft (2) in the 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). 5. Put clean water on seal (9). Install seal (9) and ring (10) together in the housing bore with the shiny face of ring (10) toward the outside. 6. Remove spring (11) from seal (12). Put clean water on the inside of seal (12). Push the seal on the shaft until the carbon face makes contact with the shiny face of ring (10). Install spring (11). 7. Install impeller (14) and the washer and nut (13) that hold the impeller to the pump shaft.8. Tighten nut (13) to a torque of 28 2 lb.ft. (39 3 N m). Make an air pressure test of the seal at 20 psi (140 kPa). 9. Put clean engine oil or glycerine on O-ring seals (15). Install the O-ring seals on adapter (16).10. Install adapter (16) in the pump housing with the notch in alignment with dowel (17).end by: a) install water pump