IR P185WIR & XP185WIR Troubleshooting: How to Fix Excessive Vibration

IR P185WIR & XP185WIR Troubleshooting: Excessive Vibration

A little vibration is normal for a heavy-duty machine like the Ingersoll Rand P185WIR or XP185WIR. But if your compressor feels like it’s trying to rattle itself apart, that’s a clear sign something’s wrong. Here’s how to troubleshoot and fix excessive vibration before it causes serious damage.

Common Causes of Excessive Vibration

  • Low engine RPM: An engine running slower than normal can cause instability and uneven vibration.
  • Rubber mounts damaged: Worn or cracked vibration isolators between the engine/compressor and frame can’t absorb the normal shaking.
  • Out-of-balance fan: A bent, broken, or debris-clogged fan can create heavy vibration when spinning.
  • Engine malfunctioning: Misfires, bad mounts, or other engine problems can introduce extra vibration into the frame.
  • Airend malfunctioning: Damage inside the airend can throw the whole rotating assembly out of balance, leading to heavy vibration.

Recommended Fixes

  • Check engine RPM and correct any low-speed conditions. (Fuel filter issues or air filter issues can sometimes cause low RPM.)
  • Inspect and replace rubber engine/compressor mounts if they show signs of cracking or tearing.
  • Inspect the cooling fan for bent blades, debris buildup, or missing parts, and balance or replace as needed.
  • Perform an engine inspection if mechanical issues like misfires, compression loss, or mount failures are suspected.
  • If vibration persists after the basics are checked, have the airend professionally inspected for imbalance or bearing failure.

Wrap-Up

Excessive vibration can wear out mounts, bolts, bearings, and internal components fast. Diagnosing the cause early will protect your P185WIR or XP185WIR from serious—and expensive—damage down the road.

Disclaimer: The information provided in this blog is intended for general troubleshooting guidance only and may not cover every situation or machine configuration. Always refer to your specific equipment’s manual and follow the manufacturer’s safety instructions. If you are unsure or uncomfortable performing any maintenance or repairs, consult a qualified technician. Air Compressor Services is not responsible for any injuries, damages, or losses resulting from the use of this information.