| NOTICE |
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Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. |
Wipe the covers and surfaces around openings before you check the oil and before you add oil.
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| Illustration 1 | g00493398 |
Front Differential and Final Drive Drain Plug | |
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| Illustration 2 | g00393958 |
Rear Differential and Final Drive Drain Plug | |
- Remove the drain plugs for the front differential and for the rear differential. Allow the oil to drain into a suitable container.
- Clean the drain plugs and install the drain plugs.
- Remove the dipstick/fill plug for the front differential and the dipstick/fill plug for the rear differential.
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| Illustration 3 | g00475408 |
Dipstick/Fill Plug for the Front Differential and Final Drive | |
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| Illustration 4 | g00393646 |
Dipstick/Fill Plug for the Rear Differential and Final Drive | |
- Add 0.47 L (0.50 qt) of 1U-9891 Hydraulic Oil Additive .
- Fill the axles with oil. Maintain the oil between the "ADD" mark and the "FULL" mark on the dipstick/fill plug of each differential. See Operation and Maintenance Manual, "Lubricant Viscosities" and Operation and Maintenance Manual, "Refill Capacities".
Note: Install the dipstick/fill plug completely before you check the oil level. If the dipstick/fill plug is not installed completely, an incorrect oil level reading can occur.
- Install the dipstick/fill plugs for each differential. Operate the machine for a few minutes and allow the oil to flow completely through the axles. Remove the dipstick/fill plugs and recheck the oil level. Add oil, if necessary.
- Clean the dipstick/fill plugs and install the dipstick/fill plugs for each differential.