PEDAL GP-GOVERNOR 1485741 - Caterpillar

Remove Governor
Start By:a. remove fuel ratio control Illustrations show 3408 Vehicular Engine, but the Governor and the procedures are the same for 3412 Industrial & Marine Engines. 1. Remove rod (5) from the lever.2. Remove bolts (1) from the plate assembly. Remove plate assembly (4).3. Remove the bolt and cover (2) from the cover assembly (3). 4. Remove bolt (6) and cover assembly (3) from the governor housing assembly (7). 5. Remove bolt (9) from the stop collar. Remove stop collar (8) and spring from below the collar. 6. Install Tool (A) in the fuel injection pump housing. The square end (flat end) must be down. Make sure the correct end of Tool (A) is used. Move governor control lever (10) until Tool (A) is in place and the racks are in the center (zero) position.7. Remove bolts (11) and governor housing (7). 8. Remove seat and spring (12). Remove four bolts (13) and fuel lines (14) from the governor plate. Remove the governor plate. It is possible to remove the governor and governor plate as a unit. The above steps must be followed before the governor can be installed again on the injection pump housing.Install Governor
Illustrations show 3408 Vehicular Engine, but the Governor and the procedures are the same for 3412 Industrial & Marine Engines.
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 assembly.
1. Install Tool (A) in the fuel injection pump housing. The square end (flat end) must be down. Make sure the correct end of Tool (A) is used. Push the fuel rack in until Tool (A) is in place in the slot (groove). The racks are now in the center (zero) position.2. Install a new gasket on the injection pump housing. 3. Put governor plate (1) into position on the injection pump housing. Be sure the dowels on plate (1) are in alignment with the holes in the injection pump housing and the governor linkage is engaged with the left fuel rack. 4. Connect three fuel lines to governor plate. Install ring (3), drive assembly (4), spring and ring (2) in gear assembly (5). Make sure the dowels in gear assembly (5) and the holes in both the ring (3) and the drive assembly (4) are all in alignment. 5. Install ring (6) that holds the drive assembly in place. 6. Install governor spring (8) and a spring washer on each side of the flat washer. Install seat (7) on the top of spring (8). 7. Use a new gasket and install governor housing (9). Fasten the housing in position with bolts. Remove Tool (A) and install the plug in the hole. 8. Put the spring on the governor bolt. Install the governor stop collar (10) and bolt (11). 9. Install gasket and cover assembly (12) on governor housing. There is