GUIDE 1613669 - Caterpillar

1. Start the machine, and position the bucket, stick and rod links as shown. 2. Remove retaining bolt (1) and two nuts (2) from bucket pin (3). 3. Be sure the threaded puller hole in the bucket pin is clean prior to installation of tooling (A). Fasten tooling (A) to bucket pin (3) as shown. Fasten a lifting strap and a hoist to tooling (A) to support it as shown.4. Slide O-ring seals (5) off of the joints between the bucket and link assembly (4) and onto the flanges on the bucket.
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.
5. Using tooling (A), 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. 6. Remove tooling (A) from bucket pin (3). Remove bucket pin (3) by hand. The weight of the bucket pin is 25 kg (55 lb). Remove O-ring seals (5) from the flanges on the bucket. 7. Fasten a hoist to link assembly (4) as shown, and raise it until it is in a horizontal position.8. Remove two nuts (6) and retaining bolt (7) from pin (8). Remove pin (8) from the link assemblies and the rod end of the bucket cylinder. Remove link assembly (4). The weight of pin (8) is approximately 25 kg (55 lb). The weight of link assembly (4) is 129 kg (285 lb). 9. Fasten a hoist to left hand link assembly (9) as shown. Remove two nuts (10) and retaining bolt (11) from pin (12). Using a hammer and punch, drive pin (12) into the stick until the left hand link assembly is free. Remove the left hand link assembly.The weight of the left hand link assembly is 26 kg (57 lb). Refasten the hoist to the right hand link assembly. Remove pin (12) from the stick and right hand link assembly. Remove the right hand link assembly. The weight of the right hand link assembly is 23 kg (50 lb). The weight of pin (12) is 18 kg (40 lb). 10. Remove six lip-type seals (13) from link assembly (4). 11. Remove two bearings (14) from the open end of the link assembly with tooling (B). 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.12. Remove the two bearings from the closed end of the link assembly with a chisel or by cutting. 13. Remove two lip-type seals (15) from the stick at the stick-to-bucket linkage pin joint. 14. Remove the two bearings from the stick at the stick-to-bucket linkage pin joint with tooling (C). Fasten