5040525 EVINRUDE WATER PUMP IMPELLER

3. Remove bolts (4) and clamp that fastens elbow to oil cooler. Remove elbow (1). Turn pipe (3) from work area.4. Remove bolts (2) that hold elbow to oil cooler and water pump. Remove elbow (5).5. Remove two bolts (6) from pipe assembly. Remove clamp from opposite end of pipe and remove pipe assembly (7).5. Disconnect plug (8) from magneto. Remove two bolts (9) that hold magneto to drive housing. Remove magneto (10). 6. Remove six bolts (12) and cover (14) from housing. Remove retainer (15).7. Fasten a hoist to water pump and remove six bolts (13). Remove water pump (11). Weight of pump is 86 lb. (39 kg). 8. Remove seal (16) from retainer. 9. Remove bearing (17) from retainer.Install Water Pump
1. Inspect gaskets and seals and make replacements if damaged. 2. Fasten a hoist to water pump (1). Put the pump on engine. Install the six bolts that hold the pump to the accessory drive housing. 3. Install gaskets and oil cooler elbow (2) in position on oil cooler and water pump. 4. Install gasket, elbow (3) and pipe in position on the oil cooler. 5. Install pipe assembly (4) in position on water pump. Install clamp on the end of pipe. 6. Install bearing in retainer with a press and tooling (A). Make sure the hole in bearing is in alignment with the hole in retainer. 7. Install seal in retainer as shown with tooling (A). 8. Install retainer (5) and cover (6) in position on the accessory drive housing. 9. Put magneto (7) in position on drive housing.10. Install two bolts and connect plug to magneto.11. Fill the engine with coolant.12. Add oil to engine as needed.Disassemble Fresh Water Pump
start by:a) remove fresh water pump 1. Remove bolts (4) and gear (2) from shaft (5). Remove bolts (3) and bearing (1). 2. Remove four bolts (9) and elbow (8). Remove bolts (6) and cover (7). 3. Remove cotter pin (11). Loosen, but do not remove nut (10). 4. Install tooling (A) as shown and loosen impeller (12) on the shaft. Remove tooling (A), nut (10), washer and impeller. 5. Remove shaft (5) from spring (13) and seal assembly (14). 6. Remove retainer (16) from housing (15). 7. Remove the bearing and seal (17) from retainer (16). 8. Remove rubber seal and ceramic ring (18) from adapter (19) in the housing.Assemble Fresh Water Pump
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.
1. Install the lip type seal in retainer (1) with tooling (A). The seal lip goes toward the inside of the retainer. Put a thin layer of SAE 30 oil on the seal lip. 2. Install the bearing in retainer (1) with tooling (A). Install the bearing until it is even with the surface of retainer. Put a thin layer of SAE 30 oil on the bearing. 3. Install new gasket (2) between housing (3) and retainer (1). Put the retainer in position on the housing. 4. Put shaft (4) in position in the housing. Install bearing (5) on the housing with four bolts and locks. Bend the locks. 5. Put the ceramic ring (6) in position in the rubber seal. Use hand pressure and tool (7) (which is with the replacement ring) to install ceramic ring (6). 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. 6. Install spring (9) and impeller (8) on the shaft. Install the washer and nut which hold the impeller on the shaft. Tighten the nut to 55 lb. ft. (75 N.m). Then tighten the nut more until the cotter can be installed. 7. Install gasket (10) between the housing and cover (11). Install the eight bolts which fasten the cover to the housing. 8. Use thickness guage (12) to check the clearance between the cover and impeller. Use gasket(s) (10) as needed to get a clearance of .005 to .020 in. (0.13 to 0.51 mm). 9. Install gear (13) on the shaft with six bolts and three locks. Bend the locks. 10. Install elbow (14) on the pump assembly with four bolts.end by:a) install fresh water pump