RING 7B0948 - Caterpillar

START BY:a) remove fuel injection pump housing and governor 1. Put the fuel injection pump and governor in position on tool (A).2. Remove cover (1) from the torque spring.3. Remove the bolts that hold governor housing (2) to the fuel injection pump housing. Remove governor housing (2) from the fuel injection pump housing. Earlier machines do not have the flat washers. 4. Remove spring (7), flat washer (5), wave washer (4), flat washer (3) and seat (6) from the governor housing.
Do not mix the sequence of insulators, shims, spacers, contact bar and spring when the torque stop is removed.
5. Remove the nut and bolt to remove torque spring (8) from the fuel injection pump housing. 6. Remove seat (10) and overfueling spring (9) from the flyweight shaft. 7. Push in on lever (11) and remove pin as shown from the fuel injection pump housing.8. Remove the ring that holds lever (11) to the dowel. Remove lever (11) from the dowel. 9. Remove riser (follower) (14) from the shaft. Shaft (12) has an O-ring seal on it which can make it difficult to remove the shaft from the fuel injection pump housing.10. Pull up on shaft (12) and remove the shaft and lever (13) from the fuel injection pump housing.
Tool (B) can cause damage to the cover. Always inspect the cover and install a new cover if needed.
11. Remove cover (15) for the flyweights with tool (B).12. Install timing pin (16) or tool (C) so the camshaft will not turn. 13. Remove the three bolts that hold the flyweight assembly to the camshaft. Remove flyweight assembly (17).14. Remove the timing pin (16) or tool (C).Connection Of Fuel Injection Pump Housing And Governor
1. Put the fuel injection pump housing on tool (A).2. Install timing pin (1) or tool (C) to hold the camshaft so it will not turn.
Make sure the pin that holds the shaft in the flyweight assembly is in position before the flyweight assembly is installed.
3. Put flyweight assembly (2) in position on the camshaft. The bolts that hold the flyweight assembly to the camshaft have a locking material on the threads. The bolts must not be used more than one time.4. Install three new bolts that hold the flyweight assembly to the camshaft. Remove the timing pin or tool (C).
Never install a used flyweight cover that is bent.
5. Install cover (3) over the flyweight assembly with tool (B). 6. Grind a taper on the bottom edge of a1/8" screwdriver (4). Install the screwdriver through the bolt hole in the fuel injection pump housing as shown. The screwdriver must fit evenly against the flyweight assembly cover. Make a mark (stake) in four places around the cover (3) in line with the groove in the camshaft. 7. Put lever (7) on the dowel. Install ring (6).8. Install pin (5) in the fuel injection pump housing with the round edge down. 9. Put riser (follower) (11) in position between the flyweights. Lift the flyweights up with a piece of wire