PUMP GP-GR 3 20R7455 - Caterpillar

18. Using a suitable press, remove shaft assembly (24) from gear assembly (23). 19. Using a suitable press, removes shaft (24) from bearing (25). 20. Using Tooling (D), remove cup (26) from gear (23).21. Repeat Step 20 for the opposite side of gear (23).22. Repeat Steps 17 thru 21 for the remaining two gear assemblies. 23. Remove nine bolts (27) and retainer (28) from the final drive assembly. 24. Using a suitable lifting device, remove gear assembly (29). The weight of the gear assembly is 27 Kg (60 lb). 25. Remove ring (30) and hub (31) from gear (30). 26. Install Tooling (G) and (H) as shown. Pull hub assembly (32) and bearing (33) from its seat. 27. Remove bearing (33) and O-ring seal (35). Install Tooling (E) and two 1/2 X 1-1/2bolts (34), and washers. Using a suitable lifting device, remove hub assembly (32). The weight of the hub assembly is 64 Kg (140 lb).Remove Tooling (E). 28. Using Tooling (J), remove cup (36).29. Remove Duo-Cone seal (37).30. Repeat Step 28 for the opposite side. 31. Remove eighteen bolts (38) and washers. 32. Remove Duo-Cone seal (39).33. Install Tooling (E) as shown using two M12 X 40 mmbolts (40). Attach a suitable lifting device and remove spindle assembly (41) from case (42). The weight of the spindle assembly is 43 Kg (95 lb).Remove Tooling (E). 34. Using Tooling (H) and (K), remove bearing cone (34). Removal may cause damage to the cone. 35. Turn the spindle over and remove O-ring seal (44).Assemble Front Drive
Fluid Spillage ContainmentCare must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to "Tools And Shop Products Guide," NENG2500 for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates. 1. Install O-ring seal (1) on the spindle. 2. Heat bearing cone (2) to 120° C (248° F).Use temperature resistant gloves to install bearing cone (2) on the spindle as shown. Make sure the bearing cone is properly seated. Refer to "Assembly And Installation Of Conventional Duo-Cone