| Problem | Possible Cause | Solution |
|---|
| Compressor won’t start | Power not connected / faulty plug | Check plug, cable, and socket; ensure correct voltage |
| Motor hums but won’t run | Low voltage / jammed pump | Check power supply, inspect for debris in pump |
| Pressure builds too slowly | Air leaks / worn piston rings | Check hose and fittings for leaks, replace rings if worn |
| Excessive noise | Loose bolts / worn bearings | Tighten bolts, replace bearings if needed |
| Overheating | Poor ventilation / continuous use | Improve airflow around compressor, allow cooling breaks |
FAQs
What size air compressor do I need?
This depends on your tools. For light duty use like inflating tires or powering a brad nailer, a small compressor is sufficient. For more demanding tools like impact wrenches or spray guns, look for higher CFM ratings.
How often must I drain an air compressor?
Daily after each use, to prevent water buildup and rust in the tank.
What oil do I use in my air compressor?
Use compressor-grade oil (non-detergent). Check the manual for the specific grade required.
Can I use an extension cord with my compressor?
It's best avoided. If necessary, use a heavy-duty, short extension cord rated for the current draw of your compressor.
What size air hose should I use?
This depends on tool demand and hose length. Generally, a 3/8" hose is good for most workshop use.
