C15 and C18 Engines for Caterpillar Built Machines Caterpillar


Air Compressor - Remove and Install - If Equipped

Usage:

631E 1AB

Removal Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



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, 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.


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

Do not disconnect the air lines until the air pressure in the system is at zero. If hose is disconnected under pressure it can cause personal injury.


  1. Loosen the purge valves, and release the air pressure in the air tank.


    Illustration 1g00620850
    Typical example

  2. Disconnect coolant supply line (1) and air supply line (2) from the air compressor.

  3. Disconnect oil supply line (3) from the air compressor.


    Illustration 2g00620840
    Typical example

  4. Remove coolant line (4) from the air compressor.

  5. Remove nuts (5) that hold the air compressor to the accessory drive.

  6. Remove the air compressor from the engine.


    Illustration 3g00620856
    Typical example

  7. Remove seal (6) from the air compressor.

Installation Procedure


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.




    Illustration 4g00620856
    Typical example

  1. Install new seal (6) on the air compressor.

  2. Install the air compressor on the engine.


    Illustration 5g00620840
    Typical example

  3. Install nuts (5) to hold the air compressor on the engine.

  4. Connect coolant line (4) to the air compressor.


    Illustration 6g00620850
    Typical example

  5. Connect coolant supply line (1) to the air compressor.

  6. Connect air supply line (2) to the air compressor.


    NOTICE

    To prevent water from collecting and freezing in the air compressor lines, ensure that the air compressor lines are sloping downward and away from the air compressor.


  7. Connect oil line (3) to the air compressor.

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