1. Introduction
This instruction manual provides essential information for the proper installation, operation, and maintenance of your ApPLINCEPARTss AC-0108 Air Compressor Fan. This fan is a genuine OEM replacement part designed for various air compressors, including models from Craftsman, DeVilbiss, and Porter Cable. Please read this manual thoroughly before proceeding with installation or use to ensure safety and optimal performance.
2. Safety Information
Always prioritize safety when working with power tools and their components. Failure to follow these instructions may result in personal injury or equipment damage.
- Disconnect Power: Always ensure the air compressor is unplugged and depressurized before attempting any installation, maintenance, or repair.
- Wear Protective Gear: Use appropriate personal protective equipment (PPE), such as safety glasses and gloves.
- Consult Professional: If you are unsure about any step, consult a qualified technician.
- Use Correct Tools: Ensure you have the proper tools for installation and removal.
- Inspect Components: Before installation, inspect the new fan for any damage.
3. Product Overview
The ApPLINCEPARTss AC-0108 is a genuine Original Equipment Manufacturer (OEM) replacement fan for air compressors. It features a 5.75-inch outer diameter and is designed to replace part number 889131. This fan plays a critical role in cooling the compressor pump, preventing overheating and ensuring the longevity of your air compressor.

Figure 1: ApPLINCEPARTss AC-0108 Air Compressor Fan. This image shows the black plastic fan with multiple blades, designed to attach to an air compressor's crankshaft for cooling.
4. Specifications
| Feature | Detail |
|---|---|
| Part Number | AC-0108 |
| Replaces Part Number | 889131 |
| Outer Diameter (OD) | 5.75 inches |
| Brand | ApPLINCEPARTss |
| Compatible Devices | Air Compressors (Craftsman, DeVilbiss, Porter Cable, etc.) |
| Cooling Method | Air |
| UPC | 671171170757 |
5. Installation Instructions
This section outlines the general steps for replacing an air compressor fan. Specific procedures may vary depending on your compressor model. Always refer to your compressor's original service manual for detailed instructions.
- Prepare the Compressor: Ensure the air compressor is completely powered off, unplugged from its power source, and all air pressure has been released from the tank.
- Access the Fan: Locate the existing fan, typically found on the crankshaft or motor shaft of the compressor pump. You may need to remove protective covers or shrouds to gain access.
- Remove Old Fan: Carefully remove the old fan. This may involve loosening a set screw, nut, or gently prying it off the shaft. Note the orientation of the old fan for correct installation of the new one.
- Install New Fan: Slide the ApPLINCEPARTss AC-0108 fan onto the shaft, ensuring it is correctly oriented and seated firmly. Secure it using the appropriate fastening mechanism (e.g., set screw, nut).
- Reassemble: Replace any covers or shrouds that were removed.
- Test Operation: Plug in the compressor and perform a brief test run to ensure the fan spins freely and quietly, providing adequate cooling. Monitor for any unusual noises or vibrations.
6. Operating Principles
The AC-0108 fan is an integral component of your air compressor's cooling system. Its primary function is to draw ambient air over the compressor pump and motor, dissipating heat generated during operation. Proper cooling is essential to prevent thermal overload, extend the lifespan of internal components, and maintain efficient performance of the compressor. Ensure the fan is unobstructed and operating correctly whenever the compressor is in use.
7. Maintenance
Regular maintenance helps ensure the longevity and efficiency of your air compressor fan.
- Visual Inspection: Periodically inspect the fan for cracks, broken blades, or accumulation of dirt and debris.
- Cleaning: With the compressor unplugged, gently clean the fan blades and surrounding areas to remove dust, dirt, or any obstructions that could impede airflow.
- Check Fasteners: Ensure the fan remains securely fastened to the shaft. Tighten any loose screws or nuts as needed.
8. Troubleshooting
If you experience issues with your air compressor's cooling, consider the following:
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan not spinning | Obstructed blades, loose connection, motor issue, broken fan. | Disconnect power, check for obstructions, ensure secure mounting, inspect fan for damage. If fan is broken, replace it. |
| Excessive noise from fan | Loose fan, damaged blades, debris caught in fan. | Disconnect power, check fan for tightness, inspect blades for damage, remove any debris. |
| Compressor overheating | Fan not providing adequate cooling, blocked airflow, faulty fan. | Ensure fan is spinning correctly and unobstructed. Clean fan and cooling fins. Replace fan if damaged or ineffective. |
9. Warranty and Support
For specific warranty information regarding your ApPLINCEPARTss AC-0108 Air Compressor Fan, please refer to the documentation provided at the time of purchase or contact ApPLINCEPARTss customer support directly. If you are unsure if this is the correct fan for your model, please provide your compressor's model type and serial number to customer support for assistance.
Contact Information: Please visit the official ApPLINCEPARTss website or your retailer's support page for current contact details.





