BRACKET 2128509 - Caterpillar

5. Move the tandem housing away from the final drive and on to tool (B). Tool (B) keeps the sprockets in their correct positions in the tandem housing.6. Move the tandem housing away from the machine. Weight is 2550 lb. (1157 kg). 7. Remove O-ring seal (4) from the housing. Remove bearing (5) from the shaft.8. Remove bolts (3) and the washers that hold retainer (6) to the housing. Remove retainer (6) and the three-section washer that is behind the retainer. 9. Put tooling (F) and a floor jack in position under outer housing (7). Install tooling (L) on the housing. Fasten a hoist to tooling (L).10. Remove the outer housing from the inner housing. Weight is 95 lb. (43 kg).11. Remove the oscillation bearings from the housings. Remove three-section washer (8). Remove O-ring seal (9).12. Put tooling (F) and a floor jack in position under inner housing (11). A rag can be put between tooling (F) and the housing to prevent damage to the housing.13. Remove nuts (10) and the washers that hold inner housing (11) to the bevel gear case. 14. Install two 1/2"-13 NC forcing screws (12) in the housing. Remove the housing far enough to install tool (G). Fasten a hoist to tool (G). Put an axle in position in the housing to help keep the housing in balance.
A wire must be installed on the two forcing screws and around the ring gear and planet carrier to keep them from falling. Do not remove inner housing (11) further, until the wire is installed.
15. Remove the inner housing. Weight is 300 lb. (136 kg).16. Put the final drive housing in position on blocks with the planet carrier up. Remove the wire and the forcing screws. 17. Remove pinion (13) from planet carrier (14). Fasten a hoist to the planet carrier and remove it. Weight is 55 lb. (25 kg). Remove O-ring seal (15). 18. Bend the locks away from bolts (17) that hold the retainers and shafts (16) to the planet carrier. Remove the retainers and the shafts.19. Remove washers (20) and gears (19). Remove the bearings from the gears. Remove the ring that holds washer (18) in the carrier with tool (H). Remove washer (18). 20. Remove shaft (21) and the bearing from the housing.21. Remove ring gear (22). 22. Remove bearing (23) from the shaft with tooling (J). 23. Remove two bearing cups (24) from the housing with tooling (K).24. Do Steps 1 through 23 for the other final drive.Assemble Final Drives
1. Lower the temperature of bearing cup (1) and install it in the housing.2. Install the seal in the housing with tooling (J). Install the seal with the lip toward bearing cup (1). Put clean oil on the lip of the seal. 3. Lower the temperature of bearing cup (5) and install it in the housing. Install ring gear (3).4. Heat bearing (4) in oil to a temperature of 275°F (135°C). Install the bearing on shaft (2). Install the shaft and the