Published · Kuohai Editorial
Where should technicians look?
After the unit has been isolated under the site procedure, inspect accessible blade surfaces, the wheel inlet and the housing. Record the location and appearance of deposits. Uneven buildup can change the wheel’s balance, so preserve the distribution in photos before cleaning.
What should be checked after cleaning?
Use the equipment manufacturer’s approved cleaning method. Record any abrasion or damage revealed by cleaning and refer it for assessment. After authorized restart, compare vibration at the same measurement point and a comparable speed and load.
FAQ: What if vibration remains after cleaning?
Keep the before and after readings. Ask a qualified technician to assess other possible contributors such as looseness, bearing condition or drive alignment.
Technical sources and editorial note
Use the installed fan’s inspection and cleaning instructions.
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Use this guide to prepare for an equipment discussion. Confirm selection and operating requirements against your actual process and site conditions.