0436736 JOHNSON CARBURETOR ASSY.

Start By: a. tilt radiator guard forward 1. Remove elbow (2). Drain the coolant from the engine cooling system.2. Loosen hose clamps (4). Remove strap (3) and remove tube (1). 3. Remove elbow and hose (5). Disconnect two hoses at the Tee-Fitting on the water pump. 4. Fasten tooling (A) and a hoist to the water pump. Remove four bolts to remove water pump (6). Weight is 29 Kg (64 lb.). For installation of the water pump, reverse the procedures of Steps 1 through 4.End By: a. tilt radiator guard backwardDisassemble Water Pump
Start By: a. remove water pump 1. Remove O-ring seal (4) from the back of housing assembly (3).2. Remove washer (1) that holds shaft assembly (2) in housing assembly (3).
Typical Example3. Remove cover (5) from housing assembly (3). Remove the O-ring seal from cover (5).
Typical Example4. Loosen nut (7) and the washer that hold impeller (6) to the pump shaft. Use tooling (A) to loosen impeller (6) from the end of the pump shaft. Remove tooling (A), nut (7), the washer and impeller (6) from the pump shaft and housing assembly (3).
Typical Example5. Remove spring (9) from seal assembly (8) and shaft assembly (2).6. Use a soft hammer, and push shaft assembly (2) out of seal assembly (8) and housing assembly (3). Remove seal assembly (8) from housing assembly (3). 7. Remove ceramic seal (10) from the rubber ring. Remove the rubber ring from housing assembly (3). 8. Remove seal (11) from the back of housing assembly (3).Assemble Water Pump
1. If necessary, make a replacement of the two filters in the pump housing at location (1).2. If necessary, make a replacement of plug (2) and the seal.3. Use tool group (A) to install the seal in the housing assembly. Make sure the lip of the seal is toward the outside as shown. Put clean engine oil on the lip of the seal. 4. Install shaft assembly (3) in housing assembly (4). Install washer (5) and the bolts to hold shaft assembly (3) in position.
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.
5. Put ceramic seal (6) in position in the rubber ring. Use hand pressure and tool (B) to install the ceramic seal.
Typical Example6. Remove the spring from seal assembly (7). Use hand pressure and tool (B) to install the seal assembly. Push the seal assembly on the shaft until the seal faces make light contact.
Typical Example7. Install spring (8) on the carbon seal assembly.8. Put impeller (9) in position on the pump shaft as shown.
Typical Example9. Install washer (11) and nut (10). Tighten nut (10) to a torque of 200 25 N m (150 18 lb.ft.). 10. Make sure the studs for cover (12) are tightened in the pump housing.11. Put clean engine oil on O-ring seal (13), and install it on cover (12). Put cover (12) in position, and install the nuts to hold it to the pump housing. Tighten the nuts to a torque of 27 4 N m (20 3 lb.ft.).End By: a. install water pump