HEAD GP-MOTOR 2911126 - Caterpillar

7. Install riser (8) and the spring (overfueling spring) on the governor shaft as shown. 8. Assemble the dashpot as follows: a. Install spring (12) on seat (11), and install seat (13) in spring (12).b. Put spool (14) and ring (15) in position on seat (13), and use tool (B) to install snap ring (16) to hold them in place. 9. Install dashpot assembly (17) on the governor shaft as shown. Spring (19) is used to put a preload on the thrust bearing on the camshaft in the fuel injection pump housing.10. Install ring (21) in the lower groove in the governor shaft. Install one sleeve (20), spring (19), the other sleeve (20) and bearing (18) on the governor shaft as shown. 11. Use tool (C) to hold spring (19) under compression, and install ring (22) in the groove in the governor shaft. Remove tool (C). 12. Put lever (27) in position on governor servo (23), and install pin (24) to hold the lever in place. Use a hammer and chisel to move the metal (stake) four places 90 ° apart on the outside surface on both legs of the governor servo to hold pin (24) in place.13. Install the O-ring seal on sleeve (25). Install piston (26) and sleeve (25) in the governor servo as shown. 14. Install valve (28) in the governor servo as shown. 15. Install one lockring (32) in the groove near the center of valve (28). Put sleeve (29), spring (broken link spring) (30) and seat (31) in position on valve (28), and install the other lockring (32) to hold them in place. 16. Put the governor servo in position on the fuel injection pump housing with piston (26) engaged over rack (33), and install the bolts that hold the governor servo in place. 17. Install torque rise adjustment screw (35) and power adjustment screw (34) in collar (36) as shown. Install nuts (37) on the screws. 18. Put bolt (39) in position in block assembly (40), and install spring (38) on the bolt as shown.19. Put collar (36) in position on bolt (39). Be sure the cutout (slot) in the collar is engaged with dowel (41). Install bolt (42) to hold the collar in place. Be sure bolt (42) fits in the groove of bolt (39). 20. Put block (40) in position on housing (44). Be sure the holes in the block are engaged with dowels (43). Install the bolts that hold the block in place. 21. Assemble the torque control group as follows: a. Install shim (46), spring (50), contact (47) and spacer (51) on insulator (49) as shown.b. Install bolts (53) through retainer (52), bar (48), the insulator assembly and bar (45).22. Install torque control group (54) on block (40) as shown.
If housing (44) is installed with the flange on bolt (39) (see illustration B86569X1) on the wrong side of the dashpot, the riser in the governor will be held in the maximum fuel delivery position. To prevent possible personal