938G II Wheel Loader and IT38G II Integrated Toolcarrier Differential and Final Drive Oil Sample - Obtain Caterpillar


Differential and Final Drive Oil Sample - Obtain
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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 before obtaining the oil sample. This will thoroughly mix the differential oil for a more accurate sample.


    Illustration 1g00277215
    Front Differential and Final Drive Filler Plug


    Illustration 2g00110469
    Rear Differential and Final Drive Filler Plug

  2. The differential and final drives are not equipped with sampling valves. Obtaining an oil sample will require the use of a vacuum pump or equivalent in order to extract the oil from the component. Extract the oil through the filler openings on the differential and final drives.

  3. Complete any additional required work. Fill the differential and final drives with oil, as required. Install the dipstick/fill plugs.

Reference: For more information, refer to Special Publication, SEBU6250, "AVSpare Machine Fluids Recommendations" and Special Publication, PEHP6001, "How To Take A Good Oil Sample".

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