325F Excavator Machine Systems Bucket Linkage Bearings and Seals - Install Caterpillar

Installation Procedure

1. Make sure that the bores in the power link and the bore in the stick are thoroughly clean and free of dirt and debris prior to the installation of the sleeve bearings.

   Note: Make sure that the bearings are installed in the bore so that the identification numbers of the bearings are facing outward.

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   Illustration 1	g00698602

2. Lower the temperature of sleeve bearings (5) that will be installed in the closed end of power link (2) to −40 °C (−40 °F).

3. Use Tooling (C) to install sleeve bearings (5) in the closed end of power link (2). Install the sleeve bearings for Dimension (X) to a depth of 9.5 ± 0.8 mm (0.37 ± 0.03 inch).
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   Illustration 2	g00698673

4. Lower the temperature of sleeve bearings (3) that will be installed in the open end of power link (2) to −40 °C (−40 °F).

5. Use Tooling (C) to install two sleeve bearings (3) in the open end of power link (2). Install the sleeve bearings for Dimension (Y) to a depth of 9.5 ± 0.8 mm (0.37 ± 0.03 inch).
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   Illustration 3	g00698265

6. Use Tooling (C) to install lip seals (1) in power link (2). Install the lip seals with the sealing lip toward the outside of the bore. Install the lip seals below the outside surface of the power link.
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   Illustration 4	g00698695

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   Illustration 5	g00698698
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7. Lower the temperature of two sleeve bearings (6) that will be installed in the stick to −40 °C (−40 °F).

8. Use Tooling (C) to install sleeve bearings (6) in to the stick. Install the sleeve bearings for Dimension (Z) to a depth of 9.5 ± 0.8 mm (0.37 ± 0.03 inch).
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   Illustration 6	g00698407

9. Install lip seals (4) in the stick. Install the lip seals with the sealing lip toward the outside of the bore. Install the lip seals below the outside surface of the stick.

10. Apply a thin coat of Tooling (D) to all sleeve bearings.

11. Apply a thin coat of Tooling (D) to the sealing lip of all lip seals.

End By:

1. Install the bucket control linkage.