HARNESS AS-BOX 3885399 - Caterpillar

19. Remove two setscrews (67) from the pump housing.20. Remove swash plate (68) from the pump housing. 21. Remove bearing sets (69) and the two rods with the bearing sets from the pump housing. 22. Remove four socket head bolts (70) from the cover. 23. Using a soft faced hammer, remove the shaft assembly from the pump housing in the direction shown. 24. Remove two O-ring seals (71) from cover (72). Remove cover (72) fromshaft (73). Remove the two lip-type seals from the cover. 25. Remove retaining ring (74) and bearing (75) from shaft (73). 26. Using a soft faced hammer, remove flange (76) from the pump housing. 27. Remove O-ring seal (77) from flange (76). The following steps are for the assembly of the swing pump. For details on all specifications for the swing pump, refer to the topic "Swing Pump" in the 350 And 350 L Excavators Hydraulic System Specification module.28. Make sure all parts of the swing pump are thoroughly clean prior to assembly. Check the condition of all O-ring seals used in the pump. If any of the seals are damaged, use new parts for replacement.29. Put clean hydraulic oil on all parts of the swing pump during assembly. 30. Install bearing (75) and retaining ring (74) on shaft (73). 31. Install O-ring seal (77) on flange (76). 32. Install flange (76) on shaft (73). 33. Install bearing sets (69) and rods (78) on flange (76). 34. Install swash plate (68) in the flange. Make sure rods (78) are installed as shown.35. Assemble barrel assembly (59) as follows: a. Install the original amount of shims, spring set (65) and ball (64) on barrel (66).b. Put nine piston assemblies (62) in plate (63). Install the piston assemblies with the plate in the barrel. Make sure the plate moves smoothly over the surface of ball (64).
Do not let barrel assembly (59) come apart during installation on shaft (73). If any of the components of the barrel assembly come out of place, damage to the swing pump can result.
36. Install barrel assembly (59) on shaft assembly (73). Make sure all components of barrel assembly (59) are in place.37. Put 9S-3263 Thread Lock on the threads of four socket head bolts (60). Install two segments (61) and four socket head bolts (60). Tighten the socket head bolts to a torque of 8 2 N m (6 1 lb ft).38. Fasten a lifting sling and a hoist to the rotating group as shown. Install the rotating group in the pump housing. Make sure flange (76) engages properly with the dowels in the bottom of the pump housing. Reinstall setscrews (67) in the pump housing. For adjustment of setscrews (67), refer to the 350 And 350 L Excavators Hydraulic System Testing & Adjusting module. 39. Using Tool (C), install the two lip-type seals in cover (72). Install each seal until it makes contact with the counterbore in the cover and with the sealing lip of each seal facing