There is no safe universal interval for every installation. Follow the dryer instructions, clean the lint screen as directed, and inspect the exhaust path periodically. Adjust for dryer use, vent length, turns, duct condition, and how quickly lint accumulates.
Signs to stop and investigate
Longer drying times, unusual heat, a burning smell, visible lint around connections, or weak airflow at the exterior outlet can indicate a problem. Stop using the dryer if you suspect overheating or fire risk.
Checklist
Disconnect power as the manual directs before accessible maintenance.
Avoid crushing or disconnecting the exhaust duct.
Clean only areas the owner instructions identify.
Use qualified help for inaccessible ducts, damaged connectors, gas connections, or persistent symptoms.
Frequently asked questions
Should I follow this interval if my manual says something different?
No. Use the instructions for your exact equipment and applicable local requirements first.
When should I call a professional?
Use qualified help when the work involves a hazard, unsafe access, permits, unfamiliar disassembly, or a scope beyond your skills and equipment.
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