950M and 962M Wheel Loaders Hydraulic System Oil Filters - Replace Caterpillar


Hydraulic System Oil Filters - Replace
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1.1. Full Return Flow Filtration Filter
2.1. Finish Procedure


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, "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.




Illustration 1g03723327
Hydraulic Filter Service Center

The hydraulic filter is located on the right side of the machine in the hydraulic service center.

  1. Open the access door to the hydraulic service center.

  2. Remove the hydraulic tank filler cap.

  3. Use a strap type wrench to remove the filter housing or remove the filter housing with the hex nut on the bottom of the housing. Drain the oil into a suitable container.

  4. Remove the used filter element by pulling the element away from the canister. Dispose of the used filter element properly.

  5. Clean the inside of the canister with a clean, nonflammable solvent.

  6. Clean the filter mounting base with a clean, nonflammable solvent. Ensure that the O-ring sealing surface is free of debris.

  7. Inspect the filter housing seal. Replace the housing seal and the retaining ring with the new parts provided with the service element. Apply a thin coat of oil to the seal.

  8. Insert the new filter element into the canister.

  9. Install the canister onto the base using the hex nut on the bottom of the housing. Tighten the filter housing until the housing bottoms out in the base, then loosen 1/4 of a turn.

Full Return Flow Filtration Filter



Illustration 2g03723331

  1. The full return flow filtration filter is located on the top of the hydraulic tank. Raise the engine hood. Refer to the Operation and Maintenance Manual, "Hood Tilt".

  2. Remove the four bolts on the cover.

  3. Lift out the filter from the tank by the handle on the cover. Use the handle on the filter element to remove the filter element. Discard the used filter element.

  4. Clean the cover in a clean, nonflammable solvent. Inspect the cover seal. If the seal is damaged, use a new seal.

  5. Install a new filter element.

  6. Install the filter in the tank.

  7. Tighten the four bolts on the cover bolts to a torque of 100 ± 20 N·m (74 ± 15 lb ft).

Finish Procedure

  1. Maintain the hydraulic oil level between the top and the bottom mark on the sight gauge. Add oil, if necessary.

  2. Inspect the seal on the hydraulic tank filler cap for damage. Replace the seal, if necessary.

  3. Install the hydraulic tank filler cap.

  4. Start the engine and run the engine at low idle. Inspect the hydraulic system for leaks.

  5. Check the hydraulic oil site gauge on the left side of the machine on the hydraulic tank. Maintain the oil level above the "ADD COLD" mark on the sight gauge. Add hydraulic oil, if necessary. Refer to the Operation and Maintenance Manual, "Hydraulic System Oil Level - Check" for information about adding oil.

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