305 CR Mini Hydraulic Excavator Boom and Stick Linkage - Lubricate Caterpillar


Boom and Stick Linkage - Lubricate
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Note: AVSpare recommends the use of 5P-0960 Molybdenum Grease for lubricating the boom, stick and bucket control linkage. Refer to Special Publication, SEBU6250, "AVSpare Machine Fluids Recommendations" for more information on molybdenum grease.

Apply lubricant through all fittings after operation under water.

Wipe all fittings before you apply lubricant.



    Illustration 1g00823721

  1. Apply lubricant through the fittings at the swing post.


    Illustration 2g00823727

  2. Apply lubricant through the fitting at the base of the boom.


    Illustration 3g00823729

  3. Apply lubricant through the fitting at the boom cylinder head end.


    Illustration 4g00823733

  4. Apply lubricant through the fitting at the rod end of the boom cylinder.


    Illustration 5g00823737

  5. Apply lubricant through the fitting at the stick cylinder head.


    Illustration 6g00823741

  6. Apply lubricant through the following fittings:

    • (1) The fitting that is located between the boom and the stick.

    • (2) The fitting that is located at the stick cylinder rod end.

    • (3) The fitting that is located at the bucket cylinder head end.


    Illustration 7g00823748

  7. Apply lubricant through the following fittings:

    • (4) The fitting that is located at the swing cylinder head end.

    • (5) The fitting that is located at the swing cylinder rod end.

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