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My vacuum doesn’t have as much suction as it used to. What’s wrong?
Article Number: 647 | Rating: 4.5/5 from 2 votes | Last Updated: Thu, Apr 2, 2015 at 2:39 PM
Most central vacuum systems have two filters that protect the motor from dirt and debris – the main cloth bagor sponge filter, and a smaller screen filter. Some older model vacuums employed a sponge filter instead. These older models did not have a secondary filter.
When these filters become clogged, the air flow inside the unit is compromised and the suction power will drop off significantly. To return your vacuum's suction power, these filters need to be cleaned.
The first step in determining whether or not it is a problem with your vacuum – and not a clog somewhere – is to test the suction at the canister itself. To do this, follow these steps:
If you determine that the canister has sufficient suction, then you may want to contact a local dealer to have them check out your piping system for leaks, breaks, or clogs. You can locate a dealer in your area by visiting our website at: http://www.nortekcontrol.com/locator/
If you determine that the loss of suction is at the canister, then continue with the rest of this procedure.
If your system has a sponge filter, simply replace the filter. Canisters with sponge filters do not have the secondary, or flock, filter. Contact your local dealer for a replacement filter.
The cloth bag is the most commonly used type of main filter system and keeps the majority of debris from clogging up the motor. Smaller particles, like fine sand or dust, may pass through the cloth bag and get sucked toward the motor. It is the job of the flock filter to stop these smaller particles from entering the motor. When this filter becomes clogged, the suction on your unit will definitely drop off.
As most of the current model vacuums have the bucket on the bottom, these instructions are geared towards those. However, if your canister has the bucket/bag on top, you can still follow these instructions as they apply to both types – it is just a different view.
To access and clean the flock filter, follow these steps:
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