Festool 574933 CT 36 E AC Dust Extractor w/ AutoClean (FEST-574933)

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CT 36 AutoClean Dust Extractor - 584014 The CT AutoClean is the magic behind your PLANEX that makes it virtually dust-free. Insane amounts of suction suck up nearly every speck of dust leaving your client with a big smile on their face when you're done at the end of the day. The CT AutoClean has an integrated filter cleaning mechanism that periodically knocks the dust free of the filter. This guarantees maximum air flow and prevents the filter from becoming caked with dust. The filter cleaning frequency is controlled by a dial and can be completely disabled. The CT AutoClean can be used as a regular dust extractor when run without the AutoClean enabled. Includes an ultra-lightweight, flexible hose for use with the PLANEX Drywall Sander and other tools that accept a 36mm (1-1/2") hose.
  • Automatic filter cleaning technology ensures maximum suction when used with Planex Drywall Sander, 1 micron high-performance filter
  • Automatic Tool Start & adjustable suction with tool triggered or manual on-off switch and infinitely variable suction force, can be used wet or dry
  • Supplied with lightweight 11-1/2 foot long anti-static hose that is flexible and kink-resistant and will minimize shock hazards as well as reduce static cling
  • Sys-dock and hose garage feature allows for the storage and transport of Festool Systainers (not included) on the top of the flat, low-profile unit
  • Large wheels, low center of gravity, and ergonomically balanced design allows you to move the CT effortlessly around the jobsite
CT 36 AutoClean Dust Extractor Questions and Answers:

Does the variable suction dial on the Planex require the CT AC to function?

The vacuum control does not require the CT AutoClean, but other models of CT Dust Extractors cannot keep up with the quantities of dust produced by the PLANEX. Hence, the need for an automatic filter cleaning mechanism (AutoClean). The control on the Planex basically restricts air flow from the CT AC as needed. At the right setting, the PLANEX will virtually hold itself to the wall or ceiling, supporting its own weight.

Can you use the standard (non-AutoClean) CTs with the Planex?

Yes, of course it's possible. The Planex needs a 36mm hose which is not included with the standard CT models. Also, we have found drywall dust to be (apparently) smaller than 5 microns allowing some dust to pass through the filter bag and into the "tub" and to the main filter. What this means is that you may not get the full bag capacity because of a reduction in suction. Also, your HEPA filter will likely get clogged with fine dust over time depending on the quantity of dust produced. The AutoClean (High Performance HF-CT 496172) filter will fit into a standard CT but without the automated cleaning functionality, I guess you would need to periodically stop, pull the filter, clean it through agitation and put it back in. A standard 36mm hose will not have the ability to use the locking mechanism that keeps the hose from wiggling loose. You can buy the AutoClean hose separately, which is lighter and more flexible than the standard 36mm hose (496972).

Can I use the CT AutoClean for purposes other than with the Planex?

Yes, of course you can. It's a dust extractor. There is a dial on the front of the unit that control the frequency of AutoCleaning and has a setting for no AutoClean. So, it would function just like a regular CT. The standard filter is not HEPA and I currently don't have information on what level of filtration it does provide. You could install a HEPA filter into the unit, but it has not been tested for and should not be used for RRP. You can use filter bags in the CT AC.

What happens to the dust in the CT AutoClean?

The CT AutoClean is designed to be used with a plastic liner. It drapes over the bucket/tub and be easily disposed of. Again, the AutoClean can use standard filter bags but it's not recommended for drywall applications.

Will the CT AutoClean hose work with all tools?

The CT AutoClean comes with a 36mm black, very flexible, lightweight hose with a flange used to lock it onto the Planex. It will not work with any tool requiring a 27mm hose, such as sanders. It will work on all tools that can use a 36mm hose, with the exception of the HL 850 which requires the hose to go on the inside of the dust port. The AutoClean hose will not go on the inside of the port because of the flange.

What is the difference between the HEPA filter and High Performance filter?

The HEPA filter will capture particles down to 0.3 microns in size whereas the high performance filter does not offer that level of filtration. The high performance filter is tested to captured 99.9% of particles down to 1 micron in size. When comparing the two there are some distinguishing features. The HEPA Filter has very tight pleats, a brown seal on its sides, has "HEPA" written on it and is very rigid. The high performance filter has much larger and more open pleats and is very flexible to the point that it can be bent into a circle. In the photo below, the HEPA is on the left.