M318 and M320 Excavators Final Drive Oil - Change Caterpillar


Final Drive Oil - Change
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M318 and M320 Excavators [SEBU6879]

------ WARNING! ------

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.




Illustration 1g02383739

  1. Position one final drive so that oil drain plug is at the bottom.

  2. Remove the dirt that is around the fill/drain plug.

    Note: Refer to Operation and Maintenance Manual, "General Hazard Information" for information on containing fluid spillage.

  3. Remove the plug. Allow the oil to drain into a suitable container.


    Illustration 2g02383796

  4. Position the final drive so that the opening of the plug is horizontal.

  5. Fill the final drive to the bottom of the opening of the plug. See Operation and Maintenance Manual, "Lubricant Viscosities" and Operation and Maintenance Manual, "Capacities (Refill) ".

    Note: Do not overfill the final drive.

  6. Clean the plug and inspect the O-ring seals. If wear or damage is evident, replace the drain plug and/or the O-ring seals.

  7. Install the O-ring seal. Install the plug.

  8. Repeat Steps 1 through 7 on the other final drives. Use a different container for the oil so that the oil samples from the final drives will be separate.

  9. Completely remove the oil that has spilled onto surfaces.

  10. Start the engine and allow the final drives to run through several cycles.

  11. Stop the engine. Check the oil level.

  12. Check the drained oil for metal chips or for particles. If there are any chips or particles, consult your AVSpare dealer.

  13. Properly dispose of the drained material. Obey local regulations for the disposal of the material.

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