0436552 JOHNSON CARB. ASSY., 120-125ESX

Start By:a. remove fuel injection lines1. Drain the cooling system below level of the aftercooler. 2. Remove two bolts (2) that hold water line elbow (1) to aftercooler. Remove water line (3) from front elbow. 3. Disconnect fuel and air lines (4) from the fuel injection pump housing. Put caps on fuel line openings. 4. Remove bolts (6) and (7) that hold bracket (5) to fuel injection pump housing and cylinder head. Remove bracket (5). Remove bolts (8) on each side of the pump. 5. Remove bolts and cover (11). Retainer (10) is free to fall into the housing when bolts (9) are removed.6. Remove the cover and remove bolts (9) that hold the automatic timing advance to the end of the fuel pump camshaft. 7. Fasten Tooling (A) and a hoist to the fuel injection pump housing and governor. Remove fuel injection pump housing and governor (11). Weight of the unit is 66 kg (145 lb).Install Fuel Injection Pump Housing & Governor
1. Remove the plug from the front of the injection pump housing. Install Tool (B) (as shown) through the hole in the pump housing and into the timing notch