Question about Vacuums
How to replace microfilter
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Bosch Vacuum Cleaner: I changed
Greetings from GoVacuum.com,
It sounds like you may have a bad thermal switch inside the machine. Most vacuum cleaners have a switch connected to the motor, so if the vacuum cleaner is running hot, it will shut off to prevent any damage to your motor. You did all the right things by checking the bag, making sure the hose was NOT clogged, and replacing HEPA filter.
Most of the time on canister vacuums, the reason is caused by a clog in the hose, or somewhere in the powerhead. If you're sure that there is no clog anywhere, it is going to be the thermal switch on the motor.
Here's a link to the parts schematic for the Bosch upright vacuum. I hope it helps you in determining how to access the thermal switch. A word of warning to you before you try it, this is a very tough vacuum cleaner to work on, you may want to bring it in to a vacuum repair shop, as this is not an easy repair.
Here's the link;
Please let me know if you have any other questions,
Posted on Aug 18, 2008
Hi! Sometimes really hard to remember which of these models is which, so please forgive me if this is not a complete solution. I'm pretty sure you will find there are two filters. The first is a foam filter, and is located at the bottom of the bag compartment. It pulls out to the front, and is washable (of course it must be completely dry before re-use). The second (and here I'm on less secure ground) is a HEPA filter, and is located behind a removable panel on the front of the bag compartment door. The HEPA filter is not washable, but rarely if ever needs to be changed unless the machine has been used for vacuuming a lot of extremely fine dust. I hope this helps, and I value your feedback. Please remember to rate my response. Good luck!
Posted on Feb 24, 2009
Yes, you do... only the 'motor protection filter' in the bag compartment is meant to be user cleaned.
Here's a manual, with a parts diagram near the end, if it's of use.
Please rate if this helps :)
Posted on Mar 05, 2009
If the Bosch model is the AV series or has the similar hose down the front, check the reset button just below the main slider power on control in the handle.
Posted on May 08, 2009
Is there a Johnstone Supply in your area? How about an ACE Hardware. A vacum repair place? Sewing machine repair place?
If you have the data, ACE or Johnstone should be able to help you. Don't discount other electrical supply places. You will not get help at a big box place.
When I Googled "Filter Queen parts", I found lots of places on the WWW. There must be something close to you.
Give it a try. Let me know if this works for you.
Posted on Sep 21, 2009
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