323F Excavator Hydraulic System Oil Filter (Case Drain) - Replace Caterpillar


Hydraulic System Oil Filter (Case Drain) - Replace
`

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

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




    Illustration 1g02022844

  1. Park the machine on level ground. Lower the bucket to the ground so that the stick is vertical.

  2. Move the hydraulic lockout control to the UNLOCKED position.

  3. Turn the engine start switch to the ON position.

  4. Move the joysticks and the travel levers/pedals to the full stroke positions in order to relieve the pressure in the pilot lines.

  5. Turn the engine start switch to the OFF position and return the lever for the hydraulic lockout control to the LOCKED position.


    Illustration 2g06018334

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

    Pressurized system!

    The hydraulic tank contains hot oil under pressure. To prevent burns from the sudden release of hot oil, relieve the tank pressure with the engine off by slowly turning the cap approximately 1/8 of a turn until the cap reaches the secondary stop.


  6. Relieve the internal pressure from the hydraulic tank by slowly turning the tank cap approximately 1/8 of a turn until the cap reaches the secondary stop. After the tank pressure is relieved, then push down on the cap and continue turning until the cap can be removed.

  7. After the pressure is relieved, tighten the filler cap.

  8. Open the access door on the right side of the machine.


    Illustration 3g06018372
    The case drain filter is located near the pilot oil filter.

  9. Clean the area in order to keep dirt out of the filter base.

    Note: Refer to Operation and Maintenance Manual, "General Hazard Information" for information on containing fluid spillage.

  10. Remove the used case drain filter from the filter base.

    Note: Used filters should always be disposed of according to local regulations.

  11. Clean the filter base.


    Illustration 4g00101502

  12. Coat the seal of a new case drain filter with clean hydraulic oil.

  13. Install the new oil filter by hand.

    Instructions for the installation of the filter are printed on the side of each Cat spin-on filter. For filters that are not Cat branded, refer to the installation instructions that are provided by the supplier of the filter.

  14. Start the engine and operate the machine slowly for 10 to 15 minutes. Move each cylinder evenly through several cycles.


    Illustration 5g02022844

  15. Return the machine to the position that is shown in Illustration 5. Check the machine for oil leaks.

  16. Stop the engine.

  17. Check the hydraulic oil level.

    Reference: For the correct procedure, refer to Operation and Maintenance Manual, "Hydraulic System Oil Level - Check".

  18. Close the access door.

Information System:

320D2 GC Excavator Machine System Specifications Air Conditioner Lines
323F Excavator Hydraulic System Oil Filter (Pilot) - Replace
312F and 313F Excavator Machine System Specifications Swivel Lines
323F Excavator Hydraulic System Oil Filter (Return) - Replace
323F Excavator Hydraulic System Oil Level - Check
312F and 313F Excavator Machine System Specifications Swing Drive
318F Excavator Machine Systems Stick - 2.6 m (8.53 ft)
312F and 313F Excavator Machine System Specifications Swing Drive Mounting
318F Excavator Machine Systems Stick - 3.1 m (10.17 ft)
312F and 313F Excavator Machine System Specifications Swing Gear and Bearing
312F and 313F Excavator Machine System Specifications Fuel Tank
318F Excavator Machine Systems Stick - 2.25 m (7.381 ft)
323F Excavator Hydraulic System Oil - Change
318F Excavator Machine Systems Stick - 3.1 m (10.17 ft)
312F and 313F Excavator Machine System Specifications Pilot Lines
Procedure to Rework Main Frames of Certain 422F, 428F, 432F, 434F, and 444F Backhoe Loaders {7054}
318F Excavator Machine Systems Stick - 3.1 m (10.17 ft)
312F and 313F Excavator Machine Systems Electronic Control (Boom System)
312F and 313F Excavator Machine Systems Shovel Crane - Test and Adjust
320D2 GC Excavator Machine Systems Bucket Cylinder - Remove and Install
312F and 313F Excavator Machine Systems Electronic Control (Stick System)
320D2 GC Excavator Machine Systems Load Control Valve (Stick Cylinder) - Remove and Install
320D2 GC Excavator Machine Systems Load Control Valve (Stick Cylinder) - Disassemble
312F and 313F Excavator Machine Systems Electronic Control (Bucket System)