2 Common Issues With Centrifugal Blowers And How To Fix Them

Industrial facilities often have a lot of moving components. When one of those components go bad, it can cause the entire operation to shut down, costing a significant amount of money in the process. In the event that you start to notice your centrifugal blower acting up, you need to figure out what is wrong right away. Don't attempt to run the fan until you know what the issue is. To help you troubleshoot a couple problems with the unit, check out the information below.

The impeller seems to be extremely loud.

If it seems like the impeller is noisier than usual, there are a number of different things that might be to blame. Here are a few of the possible causes as to why the impeller might be hitting against the inlet cone or fan.

  • The impeller isn't securely fastened to the drive shaft or motor. If that is the case, you simply need to tighten the fixings to resolve the problem.
  • The impeller isn't mounted to the shaft properly. To correct this problem, you need to reinstall the unit onto its shaft using the proper installation procedures.
  • The inlet cone is damaged. Simply replace or repair the damaged component.
  • The impeller isn't centered properly. Adjust your impeller to the proper position.
  • The bearings are loose in the shaft. Tighten your bearings.
  • The cut-off inside of the fan got damaged. You need to replace or repair the broken parts.
  • The bearing isn't tight on the support. Tighten or adjust the bolts holding it in place.
  • The drive shaft or motor is bent. Get a new shaft to replace the old one.
  • The cut-off isn't secure. Refit the part into position securely and adjust the fittings.

The impeller appears to be damaged.

If you notice that the impeller seems to be bulging, it might be that the part was built using lighter components than what the original specifications called for or that the fan isn't running at the right speed. Replace the damaged impeller and the current fan speed. Let the supplier know what the issue is so that you can get it resolved and prevent it from happening again.

While a damaged or loose impeller, shaft and motor can cause problems in the shop, there are things that you can do to get the issue resolved quickly and easily. Using the troubleshooting guide above, you should be able to restore your machinery back to operating capacity in no time.

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