938G Wheel Loader and IT38G Integrated Toolcarrier Transmission Oil - Change Caterpillar


Transmission Oil - Change
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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "AVSpare Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on AVSpare products.

Dispose of all fluids according to local regulations and mandates.


  1. Operate the machine for a few minutes in order to warm the transmission oil.

  2. Park the machine on level ground. Lower the bucket to the ground and apply slight downward pressure. Engage the parking brake and stop the engine.


    Illustration 1g00110531


    Illustration 2g00110530

  3. Remove the transmission oil drain plug. Allow the transmission oil to drain into a suitable container. Clean the drain plug and install the drain plug.

  4. Replace the transmission oil filter.

    Reference: Refer to Operation and Maintenance Manual, "Transmission Oil Filter - Replace" for the correct procedure.



    Illustration 3g00283567

  5. Remove the magnetic strainer cover. Remove the magnets, the tube, and the screen from the housing.


    NOTICE

    Do not drop or rap the magnets against any hard objects. Replace any damaged magnets.


  6. Wash the tube and the screen in a clean, nonflammable solvent. Use a cloth, a stiff bristle brush, or pressure air to clean the magnets.

  7. Install the magnets and the tube into the screen. Install the magnetic screen.

  8. Clean the magnetic strainer cover and inspect the seal. Replace the seal if the seal is damaged. Install the magnetic strainer cover and tighten the bolts.


    Illustration 4g00711928
    Earlier Machines


    Illustration 5g00711926
    Later Machines

  9. Remove the filler cap and fill the transmission with transmission oil.

    Reference: Refer to Operation and Maintenance Manual, "Lubricant Viscosities and Refill Capacities" for the correct type of oil and for the correct amount of oil.

  10. Install the filler cap.

  11. Start the engine and run the engine at low idle. Apply the service brake. Slowly operate the transmission control in order to circulate the oil.

  12. Move the transmission control lever to the NEUTRAL position. Inspect the transmission for leaks.

  13. Check the transmission oil level.

    Reference: Refer to Operation and Maintenance Manual, "Transmission Oil Level - Check" for the correct procedure.

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