LINK 1C4154 - Caterpillar

Removal Procedure
Failure to follow the instruction below for the installation of a work tool may result in personal injury or death. Special care must be taken if more than one person is installing the work tool.
Confirm the verbal communication and the hand signals that will be used during the installation.
Be alert for sudden movement of the front linkage and the work tool.
Do not insert fingers into the bores of the support pins when the support pins and the bores are being aligned.
To facilitate removal of the bucket pins without causing damage to the pins, the bearings, and/or the O-ring seals put the bucket on the floor and the stick in a vertical position, as shown.
Illustration 1 g06181120
Start the engine. Park the machine on a hard, level surface. Position the bucket, the stick, and the bucket control linkage, as shown. Shut off the engine.
Illustration 2 g06192508
Slide O-ring seals (1) off the pin joints and onto the flanges of the bucket.
When the pin assembly is removed, the linkage assembly may swing out of the bucket. To prevent possible personal injury, do not stand in front of the linkage assembly when the pin assembly is being removed.
Note: Removing the support pin may be difficult due to excessive pressure on the support pin. Remove the pressure on the support pin by adjusting the front linkage.
Illustration 3 g06186090
Remove nuts and retaining bolt (7) from support pin (2). Remove the support pin .
Remove bolts (3) and adapter plate (4). Remove the shims.
Remove nuts and retaining bolt (6) from support pin (5). Remove the support pin.
Start the engine and raise the stick out of the bucket.
Remove the O-ring seals (1) from the flanges on the bucket.Note: After the support pins have been removed, make sure that the support pins do not become contaminated with sand or dirt. Make sure that the seals on the end of the stick and the seals on the end of the link do not become damaged.Installation Procedure
Clean each pin and each pin bore. Lubricate each pin bore with molybdenum grease.
Illustration 4 g06192508
Position the O-ring seals (1) onto the flanges of the bucket.
Start the engine and lower the stick into the bucket until the pin bores are in alignment with each other. Stop the engine.
Illustration 5 g06186090
Install support pin (5). Align the retaining bolt hole in the support pin with the retaining bolt hole in the bucket.
Install the retaining bolt and nuts (6). Install adapter plate (4) without the shims, and without bolts (3) that hold the adapter plate.
Refer to Operation and Maintenance Manual, "Bucket Linkage - Inspect/Adjust" to adjust the bucket clearance.
Slide O-ring seals (1) in position over the pin joints between the