PUMP G 5P3100 - Caterpillar

1. Drain the oil from the circle drive.2. Put identification on oil lines (2) as to their location on circle drive motor (3). Disconnect the oil lines.3. Remove nuts (1) and the lockwashers that hold the circle drive motor to the circle drive.4. Remove circle drive motor (3). The following steps are for installation of the circle drive motor.5. Put circle drive motor (3) in position on circle drive. Install the nuts (1) and lockwashers that hold the circle drive motor to the circle drive.6. Connect the oil lines (2) to their correct locations on circle drive motor (3).Disassemble Circle Drive Motor
Start By:a. remove circle drive motor 1. Remove seven bolts (1) and cover (2) from housing. Remove O-ring seal from cover. 2. Remove inner plate (4) and outer plate (3) from assembly. 3. Remove seal (5) from inner plate. 4. Remove manifold (6) from motor assembly. 5. Remove plate (7) from motor assembly. 6. Remove inner rotor (10), seven pins (9) and outer rotor (8). 7. Remove plate (11) from motor assembly. 8. Remove bearing assembly (12) and link (13) from motor assembly. 9. Remove sleeve (14) and shaft (15) from housing assembly. 10. Turn housing assembly (17) over and remove seal (16). 11. Remove snap ring (18) from housing with tooling (A). 12. Remove spacer (21), washer (20) and seal (19) from housing assembly (17). 13. Remove bearing (22) from housing (17). 14. Remove bearings (23), (24) and races (25) from housing with tooling (B). Remove the seal ring from housing (17).Assemble Circle Drive Motor
1. Install bearing (24) and two races (25) in position in housing (17).2. Install bearing (23) in housing (17) with tooling (B). The bearing depth from surface "X" must be 61.21 mm (2.410 in.).3. Install bearing (22) to a depth of 2.54 mm (.100 in.) from surface "X". 4. Install seal (19), washer (20) and spacer (21) in position in housing. 5. Install snap ring (18) in position in housing with tool (A). 6. Install seal (16) with tooling (B). 7. Inspect O-ring seal (26) and make a replacement if necessary. Install seal (26).8. Install shaft (15) in housing assembly. 9. Install link (13) and bearing (12). 10. Install plate (11) in position on bearing (12). 11. Install the inner rotor (10) on link. Install outer rotor (8) and seven pins (9). 12. Install plate (7) on rotor assembly. 13. Install manifold (6) on plate. 14. Inspect seal (5) for wear or damage and install on inner plate (4). 15. Install inner plate assembly (4) and outer plate (3) in position on assembly. 16. Install sleeve (14) in position on housing.17. Install the O-ring seal on cover (2). Put cover in position on sleeve and install seven bolts (1). Tighten bolts to a torque of 70 7 N m (50 5 lb.ft.).End By:a. install circle drive motor