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HF 2HP Dust Collector Mod

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Project by TheChucker posted 1557 days ago 5868 views 29 times favorited 11 comments Add to Favorites Watch

After purchasing the Harbor Freight 2HP dust collector the other day on sale @ $139, I got to work modifying it as many others have done. I bolted the motor to the wall and connected a separator underneath. I cut the two hose sections from the existing hose that came with the DC and used those for both motor connections. The hose leading to the collection bag is there just to hold the motor to the collection ring, and the other hose is about 6” in length. Enough so I can slip it off to empty the bag.

The separator is the Thein design, and it works great. To integrate the system into my planned dust collection lines, I modified the design slightly for a side inlet. It makes for a smoother transition from the separator to the eventual collection lines. I found a roof vent housing piece at Home Depot that worked great for the inlet. I wrapped it around the contour of the trash can and put in about 20 sheet metal screws. I also used about a 1/4 tube of sealant both in between the trash can and the housing, as well as all the screw holes. The outlet on the top is a 5” diameter HVAC tube from the Depot as well.

I fired it up earlier, and it really works great. Now I just need to run some lines to my tools…

-- Wherever you go, there you are.





11 comments so far

View bigike's profile

bigike

4031 posts in 1884 days


#1 posted 1557 days ago

nice, now you just need the filter for the top of the unit. I just forget the name of it though, thnaks for the reminder now i got my taxes i can get one or have to get one for that matter.

-- Ike, Big Daddies Woodshop, http://www.icombadaniels@yahoo.com

View hotbyte's profile (online now)

hotbyte

183 posts in 1571 days


#2 posted 1556 days ago

Looks great! I;ve got a $139 in store coupon kept trying to get one of those at nearby HF store and they are always out! I’m tempted to just order online at $179 plus a $10 gift card coupon code. HF is 50+ miles so it isn’t easy to keep checking. I’d like to add a separator like that once I get the DC!

View Dusty56's profile

Dusty56

11638 posts in 2283 days


#3 posted 1556 days ago

Nice job on the seperator ! How many microns is the dust bag on top rated for ?

-- I'm absolutely positive that I couldn't be more uncertain!

View Rob's profile

Rob

22 posts in 1581 days


#4 posted 1556 days ago

I just printed this and used it at my local store – it’s a deal.

coupon1

-- Rob in Texas

View Chase's profile

Chase

448 posts in 1622 days


#5 posted 1556 days ago

I got one of these dust collectors recently, and i am pleased. this looks another good take on the built in pre-separator. I hadnt thought of attaching it to the wall, i might have to consider this option. Thanks!

-- Every neighborhood has an eccentric neighbor. I wondered for years "who was ours?" Then I realized it was me.

View TheChucker's profile

TheChucker

38 posts in 1709 days


#6 posted 1556 days ago

Thanks guys. I’ll probably go with the Wynn filter to replace the bag sometime soon. I’m going to see how it operates with the whole system first.

Dusty, the bag is rated for 5 microns.

-- Wherever you go, there you are.

View Ger21's profile

Ger21

611 posts in 1726 days


#7 posted 1556 days ago

>>HF is 50+ miles so it isn’t easy to keep checking.

Don’t you have a phone?

Also, I’ve read that they’ll issue rain checks, and some have reported that they were able to use an additional 20% off coupon with the rain check, as the rain check had the $139 price and they no longer needed to show that coupon.

-- Gerry, http://home.comcast.net/~cncwoodworker/CNC_Woodworker.html

View Dusty56's profile

Dusty56

11638 posts in 2283 days


#8 posted 1556 days ago

WOW , That’s cheap enough to be able to afford to buy the aftermarket cannister filter and still come out ahead of the game ! Is that strictly 110 volt or can it also run on 220v ?

-- I'm absolutely positive that I couldn't be more uncertain!

View hhesser's profile

hhesser

1 post in 1542 days


#9 posted 1542 days ago

Nice looking unit. Also great mounting job. Can that motor be wired foe 220 ?

View NoChatter's profile

NoChatter

8 posts in 1666 days


#10 posted 1541 days ago

Yep, that motor can be wired for 220V.

Has anyone thought of putting two of these in parallel, since they are so cheap? Should get the cfm up around 1100 and allow for longer runs. You would need separate circuits on 110V and 30A for 220V. Amp draw when on 110V is around 15A with a little higher than that at start-up.

If you use the Wynn filter, modify it by adding the manual ‘flapper’ to keep the air moving through the filter. Remember to rotate the flapper often.

View jfin's profile

jfin

3 posts in 1593 days


#11 posted 1532 days ago

NoChatter – there is no “rewire” option within the start/stop switch box to allow rewire to 240 volt. If there IS this option within the motor (probably behind the switch box?), please let us know.

There is an extended discussion re: putting two HF DC in parallel or in series. I believe it is in recent postings on the J. Phil Thien site. If not, post so & I’ll find it.

Has anyone ever found any actual “fan data” (static pressure vs. CFM) for this DC. I called HF Tech Support, they inquired, but were told the factory didn’t want to spend the $ to test it. Well – give them credit – it sounds like an HONEST answer to me! Jim Finnegan

-- Jim, East TN

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