BAR-ROUND 5553533 - Caterpillar

Keep all of the parts of the front body assembly and the rear body assembly separate.
47. Following the procedure in steps 28 through 40, disassemble the rear body assembly. The following steps are for the assembly of the main hydraulic pump.48. Make sure all of the parts for the front body assembly, the block assembly and the rear body assembly are thoroughly clean and free of dirt and debris prior to assembly.
Do not mix part from the front and the rear body assemblies during the assembly.
49. Install O-ring seal (86) on cover (85). 50. Position cover (85) on the rear body assembly. Install four bolts (84) that hold it. Tighten the bolts to a torque of 12 1 N m (9 1 lb ft). 51. Install two bearings (82) and coupling (83) in the block assembly. 52. Install barrel plate (81) on each side of block assembly (79). 53. Install O-ring seals (80) on each side of block assembly (79). 54. Install the block assembly (79) on the rear body assembly. Install the four bolts (78) that hold the unit together. Tighten the bolts to a torque of 235 20 N m (172 15 lb ft). 55. Install nine springs (77) in barrel (74).56. Install washer (76) and retainer guide (75) on the barrel.57. Put clean hydraulic oil on nine piston assemblies (72). Install the piston assemblies in their original bores in retainer (73). Install the retainer with the piston assemblies in their original bores in barrel (74). 58. If removed, install pin assembly (70) in the front body assembly. Install plate (71) to the front body assembly.
During the installation of the barrel assembly (68), do not let the components fall apart. The piston assemblies should be reinstalled in their original bores in the retainer and the barrel assembly.
59. Carefully install barrel assembly (68) in the front body assembly. Install O-ring seals (69). 60. Install swash plate (66) and two O-ring seals (67) to front body assembly (65). 61. Position front body assembly (65) in alignment with the block assembly. 62. Put washer (64), spacer (63), bearing (60), race (62) and spacer (61) on shaft (58).63. Using a press, push the shaft into bearing (60). Install retaining ring (59) that holds bearing (60) in position on the shaft. 64. Install shaft assembly (58) in support plate (57). 65. Install four bolts (56) that hold support plate (57), and the front body assembly to the block assembly. Tighten bolts (56) to a torque of 235 20 N m (172 15 lb ft). 66. If removed, install seal (55) to the cover. Install O-ring seal (54) to the cover. 67. Position cover (53) on the front body assembly. Install four bolts (52) that hold it. Tighten the bolts to a torque of 12 1 N m (9 1 lb ft).
Keep the parts of the two pressure compensating valve separate.
68. If removed, install fitting (49). 69. Put seal (48) on retainer (45). Install