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Workshop Update #8: Shopmade air cleaner

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Blog entry by bj383ss posted 02-16-2012 11:59 PM 6355 reads 2 times favorited 8 comments Add to Favorites Watch
« Part 7: Lathe Workbench Part 8 of Workshop Update series no next part

I got a free blower motor from a member of another forum. Its from a house HVAC this thing moves some air. It has 3 speeds. I only wired the low speed and it moves plenty of air.

I made a box to fit around the blower and the filters I bought. It measures 14.5” H x 25.5” W x 34.5” L.

Im using 12×24 filters. The prefilter I bought from Lowes it is a 3M 1500. Not sure what the micron rating is but it filters 93% which I know is good. The second filter I bought is a multi pocket filter from here. http://www.filters-now.com/products/ir5.html#products It is a 12×24 x 15 5 pocket 95% filter.

On this side of the box I made to seperate sides with a piece of foam sealing them. The front side has the motor mounted to it. The back one is made to come off so I can access the filters to change them. Other plans I saw used a hinge on the side but I didn’t think that it would seal well.

Spacers to hold the filters.

I decided to paint the blowers because it had a stink to it. The previous owner was a cigar smoker. I painted to seal in the smell. It worked.

Here it is finished and hung from the ceiling. I screwed 2×4’s into the rafters with 4” lag screws and then I put 3” lag eye screws into the 2×4’s. The S hooks I used are rated for 90 lbs each. I think the whole thing weighs about 40 -50 lbs so one hook will hold its weight. Overkill but I didn’t want this thing falling on my head. I also had to lower the light I had in this same spot as the air cleaner was blocking all the light.

I ran the power to a power strip on miter bench to turn on an off. I want to find a timer to hook up as well so I can run it for a couple of hours after I leave the shop.

In case you are wondering about the stain job this plywood was recycled from a display from work. I didn’t put a finish on it because I wanted to see if it was going to work before I invested the time. It works great so now I need to take it down and decide on a finish. I want to paint it blue to match my new cabinets but it might be better to paint it white to help reflect light. What do you guys think?

Bret

-- http://public.fotki.com/bj383ss/



8 comments so far

View JPZ's profile

JPZ

17 posts in 1194 days


#1 posted 02-17-2012 12:19 AM

Looks great and thank you for sharing all the build info.

IMHO, I would paint it white to reflect the light and not to stand out too much. Blue would make it stick out too much.

View DIYaholic's profile (online now)

DIYaholic

14061 posts in 1393 days


#2 posted 02-17-2012 12:56 AM

Nice job.

White is Bright!

I’m building one my self. It will be wall mounted, in a closet with ceiling level intake & floor level exhaust. I have 7’ ceiling, hence no headroom to install it from the ceiling. I have all the ply cut. I still need to assemble the unit, paint it gray, wire up the variable speed & timer, then install it in the closet. I will then be able to breathe easier, both figuratively & literally!

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

View dbhost's profile

dbhost

5386 posts in 1950 days


#3 posted 02-17-2012 02:25 AM

That looks great. Those shop built filters do a little something for the shop air other than clean it…

If you must paint it, paint it white. Keeps it from becoming a light hog and darkening the shop up… I actually like the way it looks as is though…

-- My workshop blog can be found at http://daves-workshop.blogspot.com

View Big Ben's profile

Big Ben

87 posts in 1608 days


#4 posted 02-17-2012 04:30 AM

Great job, I have a similar motor that I want to use to make one.
How complicated was the wiring?

View bj383ss's profile

bj383ss

114 posts in 1080 days


#5 posted 02-17-2012 12:10 PM

THanks guys!

@Big Ben. The wiring was super easy. The neutral to neutral. Run the ground to the chassis. The Hot wire went to one of the speeds. I was lucky there was a wiring diagram on the motor telling which wire was what speed. I am going to wire a timer into though.

Bret

-- http://public.fotki.com/bj383ss/

View wolflrv's profile

wolflrv

85 posts in 1089 days


#6 posted 02-18-2012 05:38 PM

Great job!! I’d have to agree that as much as I like the blue…I’d paint it white..keep the ceiling looking “neutral”.

-- Handcrafted toys, models & gifts at -- http://www.wolfwoodworks.com

View grumpy749's profile

grumpy749

218 posts in 1095 days


#7 posted 02-26-2012 03:52 AM

paint er white It will look great. When it gits dirty its telling ya what a great job its doing. I would say this is the second item every woodworker should acquire right after a table saw. It took me years to get around to building mine and every time I look at the dust laden filters it reminds me how much cleaner my lungs are. Very nice job by the way.

-- Denis in Grande Prairie. Yesterday is history, tomorrow is a mistery, but today is a gift. That is why it is called the present.....Pink !

View MrRon's profile

MrRon

2924 posts in 1961 days


#8 posted 08-04-2012 03:59 PM

I also built an air cleaner along the same lines as yours, but mine was a 220 V blower. If you paint it, go with a high gloss white so dust won’t collect on the surfaces so readily and be easier to keep clean.

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