What to Do When Ingersoll Rand 185 Portable Air Compressor Shutting Down
Troubleshooting Tips to Get You Back to Work
Your Ingersoll Rand 185 portable air compressor is a workhorse, but when it suddenly shuts down, it can put your entire operation on pause. This guide covers common shutdown-related issues and solutions for models P185A-SJD, P185A-WJD, XP175A-SJD, and XP175A-WJD—so you can troubleshoot and fix the problem fast, without needing a service call.
Common Causes of Shutdowns (And How to Fix Them)
1. Out of Fuel
- Symptoms: The compressor stops running, and the fuel gauge is low.
- Fix: Add clean diesel fuel and restart the unit.
2. Low Compressor Oil Level
- Symptoms: The unit runs for a short time and then shuts off.
- Fix: Check the compressor oil sight glass and ensure oil is between the bottom and midway of the glass. Add oil if needed.
3. High Compressor Oil Temperature
- Symptoms: The compressor gets hot and shuts down.
- Fix: Check for proper oil level, clean the oil cooler and radiator, and inspect the scavenge line for blockages.
4. High Engine Water Temperature
- Symptoms: The engine overheats and shuts off.
- Fix: Check coolant level and radiator for leaks or obstructions.
5. Electrical Issues
- Loose wires: Secure or replace damaged connections.
- Low voltage: Check battery and alternator.
- Blown fuse: Replace fuse and inspect for shorts.
6. Faulty Shutdown Components
- Low fuel shutdown switch: Replace if faulty.
- Discharge air temp switch: Replace if necessary.
- Engine oil pressure switch: Replace if malfunctioning.
7. Engine or Airend Malfunction
- If all else fails, consult the engine troubleshooting guide or seek professional service.