D7R Track-Type Tractor Hydraulic System Oil Filter - Replace Caterpillar


Hydraulic System Oil Filter - Replace
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D7R Track-Type Tractor [SEBU6896]
HYDRAULIC SYSTEM
FILTER GP
D7R Track-Type Tractor Hydraulic System Oil Filter - Replace

------ WARNING! ------

At operating temperature, the hydraulic tank is hot and under pressure.

Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin.

Remove the filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. Remove the filler cap slowly to relieve pressure.

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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 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, "AVSpare Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in AVSpare machines.

Dispose of all fluids according to local regulations and mandates.





Illustration 1g00463007

  1. The hydraulic tank is on the right side of the machine. Slowly remove the hydraulic tank filler cap in order to relieve the system pressure.



    Illustration 2g00463703

  1. Open the access door that is on top of the hydraulic tank. Also, open the access door that is on the side of the hydraulic tank.

  1. Remove filter group (1) and properly discard filter group (1) . Remove filter group (2) with a wrench. Remove the filter element and properly discard the filter element.

  1. Wash the housing for filter group (2) in clean, nonflammable solvent. Clean the filter bases with a clean cloth in order to remove all of the old filter seals.

  1. Install a new filter element in filter group (2) . Apply a thin coat of oil to the seals on the new filter element.

  1. Install filter group (2) . Tighten the new filter group to a torque of 60 ± 10 N·m (44.3 ± 7.4 lb ft) .

  1. Install a new filter group (1) by hand. When the filter contacts the base, tighten the filter for an additional 3/4 turn.

  1. Remove the retainer ring from the oil filler tube.

  1. Remove the strainer from the oil filler tube.

  1. Wash the screen in a clean nonflammable solvent.

  1. Inspect the seal on the filler cap. Replace the seal if the seal is worn or if the seal is damaged.

  1. Install the strainer, the retainer ring, and the cap.



    Illustration 3g00104435

  1. Maintain the hydraulic oil to the "FULL" mark in the sight gauge.

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