BELT-SERPENTINE 3108861 - Caterpillar

When bucket pin (3) is removed, link assembly (4) will swing forward and out of the bucket. To prevent possible personal injury, Do Not stand in front of link assembly (4) when bucket pin (3) is being removed.
3. Using a hammer and a punch, remove bucket pin (3) far enough to free link assembly (4) from the bucket. Do Not remove bucket pin (3) completely from the bucket. Link assembly (4) will swing forward when the bucket pin is removed. 4. Using two persons, remove bucket pin (3) by hand. The weight of the bucket pin is 23 kg (50 lb).5. Remove O-ring seals (5) from the flanges on the bucket. 6. Fasten a hoist to link assembly (4), as shown, and raise it until it is in a horizontal position.7. Remove two nuts (6) and retaining bolt (7) from pin (8).8. Remove pin (8) from the link assemblies and the rod end of the bucket cylinder.9. Remove link assembly (4). The weight of pin (8) is 23 kg (50 lb). The weight of the link assembly (4) 102 kg (225 lb). 10. Fasten a hoist to left hand link assembly (9), as shown. Remove two nuts (10) and retaining bolt (11) from pin (12).11. Using a hammer and a punch, drive pin (12) in the stick until the left hand link assembly is free.12. Remove the left hand link assembly. The weight of the left hand link assembly is 25 kg (55 lb).13. Re-fasten the hoist to the right hand link assembly. Remove pin (12) from the stick and the right hand link assembly. The weight of pin (12) is 14 kg (30 lb).14. Remove the right hand link assembly. The weight of the right hand link assembly is 20 kg (45 lb). 15. Remove six lip seals (13) from link assembly (4). 16. Remove two bearings (14) from the open end of the link assembly with Tooling (B).17. Fasten Tooling (B) to the link assembly, as shown. Fasten a hoist to Tooling (B) to support it; then remove the bearing. Remove the bearing on the other side of the link assembly the same way.18. Remove the two bearings from the closed end of the link assembly with a chisel or by cutting. 19. Remove two lip seals (15) from the stick at the stick-to-bucket linkage pin joint. 20. Remove the two bearings from the stick at the stick-to-bucket linkage pin with Tooling (C). Fasten Tooling (C) to the bearing as shown. Fasten a hoist to Tooling (C) to support it; then remove the bearing. Remove the bearing on the other side of the stick the same way. 21. Remove round shim (16) from the inside of the right hand link assembly. 22. Remove bolt (17) and the washer that hold U-shaped shim (18) to the inside of the right hand link assembly. The following steps are for the installation of the bucket linkage group.
Be sure the stick pin bore, the link assembly bores, the pins