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Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the skin. |
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| 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 product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.
Refer to Special Publication, PERJ1017, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.
Dispose of all fluids according to local regulations and mandates. |
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Note: To access the differential oil filter and the final drive oil filter, the use of a portable access system (ladder, stair assembly, man lift, or other portable access system) that is suitable and compliant to local regulations may be necessary.
Start By:
a. Prepare the machine for maintenance. Refer to Operation and Maintenance Manual, "Prepare the Machine for Maintenance".
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| Illustration 1 | g06112086 |
- Remove the drain plug from the bottom of the housing for the final drive oil filter, and store the plug for reuse.
- Drain the oil into a suitable container, and recycle the oil.
- Remove the drain plug from the bottom of the housing for the differential oil filter, and store the plug for reuse.
- Drain the oil into a suitable container, and recycle the oil.
Note: Removing the drain plugs from the bottom of the filter housings may not drain all the oil from the housings.
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| Illustration 2 | g06112093 |
- Clean the seals for the drain plugs.
- Inspect the seals for the drain plugs.
- If a seal is good, reuse the seal.
- If a seal is defective, discard and replace the seal.
- Clean the drain plugs in clean, nonflammable solvent.
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| Illustration 3 | g06112099 |
- Clean the areas around the drain plug openings on the final drive and differential oil filter housings.
- Install the drain plugs on the final drive and differential oil filter housings, and tighten the plugs to the proper torque.
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| Illustration 4 | g06112103 |
- Remove the final drive and differential oil filter housings, and store the housings for reuse.
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| Illustration 5 | g06112107 |
- Remove the final drive and differential oil filter elements, and discard the elements.
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| Illustration 6 | g06112112 |
- Discard the filter base seals for the final drive and differential oil filters.
- Clean the final drive and differential oil filter housings in clean, nonflammable solvent.
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| Illustration 7 | g06112118 |
- Install new oil filter elements in the final drive and differential oil filter housings.
- Install new filter base seals for the final drive and differential oil filters.
- Install the final drive and differential oil filter housings, and tighten the housings to the proper torque.
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| Illustration 8 | g06163393 |
- Operate the machine on level ground for at least 5 minutes.
Note: The lubrication pump for the rear axle will not operate when the engine is off, with the oil temperature below −4° C (25° F) and if the machine is not moving for 5 minutes.
- Park the machine according to the guidelines in Operation and Maintenance Manual, "Prepare the Machine for Maintenance".
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| Illustration 9 | g06138441 |
- Check for leaks at the housings for the final drive and differential oil filters, and make any necessary repairs.
- Turn off the engine.
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| Illustration 10 | g06138449 |
- Check the oil level in the final drive and the differential. If necessary, add oil. For the proper procedure, refer to Operation and Maintenance Manual, "Differential and Final Drive Oil - Check".
Note: Correct oil levels are critical in the final drives and the differential. Check the oil level after repairs and after maintenance.
Note: Check and maintain the final drive and the differential oil level at operating temperature. If the oil level is checked cold, adjustment of the oil level may be necessary when the truck reaches operating temperature.
