MOTOR & MTG GP-VIBRATORY 1257113 - Caterpillar

15. Remove washer (30) from the pump group. 16. Remove the two bolts (23) to remove cover assembly (31) from the plate. 17. Remove gasket (32) from the plate. 18. Remove plate (33) from the housing assembly. 19. Remove seal (34) from plate (33). Carefully remove driven gear (36) from sleeve (35) so brush (39) and spring (38) do not become lost. 20. To remove the gerotor assembly, remove drive gear (37), driven gear (36) and sleeve (35) from the housing assembly. 21. Remove brush (39) and spring (38) from driven gear (36). 22. Use tool (B) to remove snap ring (43) and remove seat (42), spring (41) and plunger assembly (40) from the housing assembly. 23. Remove O-ring seal (44) from the housing assembly. 24. Remove speed sensing valve (46), spring (45) and the seat from the housing assembly guide. 25. Remove ring (50) to remove race (49), bearing (51) and race (48) from seat (52). Loosen nut (47) to remove seat (52) and nut (47) from speed sensing valve (46). 26. Remove shaft (53) to remove lever (54) from the housing assembly. 27. Remove the wire seal and bolts (55) to remove cover (56), the two seats and the spring from the housing assembly. 28. Use tool group (C) to remove the guide from the housing assembly.Assemble Hydramechanical Shutoff Control
1. If necessary, make a replacement of dowels (2) and make sure they are 3.0 0.5 mm (.118 .020 in.) above the surface of the housing assembly. 2. Put guide (1) in position in the housing assembly and make sure the dash mark on the end of the guide is in alignment with hole (3). Use tool group (A) to install guide (1) in the housing assembly. 3. Put lever (5) in position in the housing assembly as shown and install shaft (4) to hold lever (5) in position. Make sure the end of the shaft is even (flush) 0.25 (.010 in.) with the housing assembly. 4. Put the seat, spring (7) and seat (6) in position in cover (8) and put cover (8) and the gasket in position on the housing assembly. Install the bolts to hold the cover in position. 5. Install nut (15) and seat (10) on speed sensing valve (9). Make sure the dimension between the end of the valve and the nut face of the seat is 117.21 0.25 mm (4.614 .010 in.) and tighten the nut. Put race (14), bearing (11) and race (13) in position on seat (10) and install ring (12) to hold these in position. 6. Install seat (16), spring (17) and speed sensing valve (9) on the housing assembly guide. 7. Put clean engine oil on O-ring seal (18) and put O-ring seal (18), plunger assembly (19), spring (20) and seat (21) in position in the housing assembly. Use tool (B) to install snap ring (22) to hold the plunger assembly, the spring and seat in position.8. If necessary, make a replacement