31294 Mercury SCREW (1")

1. Remove the cotter pin and pin (5) to disconnect governor control linkage (3) from lever (2).2. Disconnect fuel lines (1) from the governor plate.3. Remove plug (4). Install tool (A) in the fuel injection pump housing. Be sure the correct end tool (A) is used. Move governor control lever (2) until tool (A) is in place and the racks are in center zero position. It is possible to remove the governor housing, governor and governor plate as a unit. However, it must be part way disassembled to be installed again on the fuel injection pump housing. 4. Remove bolt (6), cover (7) and the gasket from cover assembly (8). 5. Remove the bolts that hold plate (9) and cover assembly (8) in position. Remove plate (9), the gasket, cover assembly (8), the strainer assembly and gasket from the governor housing. 6. Remove bolt (11) from stop collar (10). Remove stop collar (10) and spring (12) from the governor bolt. 7. Remove bolts (14) that hold governor housing (13) in position. Remove governor housing (13) and the gasket from the governor plate. 8. Remove bolts (15) that hold the governor plate in position. Remove the governor and governor plate (16) as a unit. Remove the gasket.Install Governor
The drive assembly must be removed from the governor plate before the governor plate is installed for correct alignment. The drive assembly can be damaged if it is installed with the governor plate and is not in alignment with the drive pinion.
1. Put a new gasket in position on the fuel injection pump housing. The rack must be held against tool (A) and the governor lever engaged in the groove (slot) in the left hand rack.2. Put governor plate (1) in position on the fuel injection pump housing. Be sure the dowels in governor plate (1) are in alignment with the holes in the fuel injection pump housing. 3. Install stop (3) in gear (4). Be sure the wide space is in alignment with the notch in the end of the drive pinion assembly.4. Install drive assembly (2) with the groove (slot) in the bottom end of the drive in alignment with the notch in the drive pinion assembly. 5. Align the holes in gear (4), the stop and the drive assembly. Install pin (6) and ring (5) that hold it in place. 6. Install a new gasket and governor housing (7) on the governor plate. 7. Install spring (8) and stop collar (9) on the governor bolt. Install the bolt in collar (9), but do not tighten it. Lift up on stop collar (9) toward the fuel off position. Tighten the bolt in the stop collar to prevent possible movement during operation.8. Check the fuel rack setting. See the topic "Fuel Rack Setting" in Engine Systems Operation Testing & Adjusting module, Form No. SENR4642. The screen side of the strainer assembly must be facing down toward the governor housing.9. Put a new gasket, the strainer assembly and cover assembly (11) in position on governor housing (7). Be sure the dowel in plate (10) is in alignment with the notch in stop collar (9).10. Put a new gasket and plate (10) in position on cover assembly (11). Install the bolts that hold plate (10) and cover assembly (11). 11. Install a new gasket and cover (12) on the cover assembly. 12. Connect two fuel lines (13) to the governor plate.13. Remove tool (A) from fuel injection pump housing (14). 14. Install the seal and plug (18).15. Connect governor control linkage (16) to lever (15). Install pin (17) and the cotter pin.16. After the fuel ratio control and fuel shutoff solenoid have been installed, check the governor adjustment. See the topic "Governor Adjustments" in the Engine Systems Operation Testing & Adjusting module, Form No. SENR4642.End By:a. install fuel shutoff solenoidb. install fuel ration control