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Rotating the Impeller Housing on a HF DC

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Forum topic by Greg posted 167 days ago 483 views 0 times favorited 7 replies Add to Favorites Watch
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Greg

4 posts in 232 days


167 days ago

After perusing many of the dust collector postings, I purchased a fairly unused 2hp HF dc. To reduce the length of hose I will have to use to connect the output to the collector, I wanted to rotate the impeller housing on the motor.
I removed the cover from the impeller housing and the screw from the center of the impeller. The impeller will not come off. In the HF manual, the exploded picture shows a screw (part #28) goes to the impeller, but very little else. Is this a set screw that is located behind the impeller? Or should the impeller just slide off with the center screw removed?
Any help from those who have done this would be greatly appreciated.

Thanks,
Greg


7 replies so far

View Jimbo4's profile

Jimbo4

1129 posts in 1387 days


#1 posted 167 days ago

Why would you want to remove the impeller? It seems to me that the motor runs in a certain direction, and if you rotate (reverse?) the impeller it would not suck, but blow.

-- BELT SANDER: Used for making rectangular gouges in wood.

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brtech

664 posts in 1547 days


#2 posted 167 days ago

I do think we’re confused about what you are doing. Usually, we see folks hoisting the motor/impeller housing from being bolted on the cart with a 2’ hunk of flex that makes a 90 degree turn to having the exhaust of the blower be directly in line with the inlet of the ring. That makes the inlet of the assembly face up, and makes the connection from the assembly to the ring a short straight run. You don’t need to get inside the assembly to do that. Some folks worried about the bearings on the motor not liking that change, but no one has reported any problems. If you are hard ducting the DC, the upward facing inlet on the blower assembly is pointed the right way. If you are using flex, it isn’t, but you still get some win out of reducing friction between the blower and the ring.

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brtech

664 posts in 1547 days


#3 posted 167 days ago

You are upgrading the filter to a canister with .5 micron first, right? And then maybe adding a Thein baffle. Remounting the motor should come after those mods (and a remote control).

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Greg

4 posts in 232 days


#4 posted 167 days ago

Sorry for the confusion. I need to remove the impeller to get at the bolts underneath it so I can rotate the impeller housing. I want to do this so I can change the direction of the output/exhaust for where I want to mount the motor. In other words, when I mount the motor (vertical mount) the exhaust faces to the right. I want it to face to the left. Once I adjust this, the impeller goes back in the same way it came out.

Thanks,
Greg

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Greg

4 posts in 232 days


#5 posted 167 days ago

brtech,
Yes and yes. Even thinking about putting a wok in the collector as overkill to reduce fines even more.

Greg

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runswithscissors

904 posts in 649 days


#6 posted 166 days ago

It’s possible there is a key in there. Likely you will need a gear/pulley puller to get it off, but not knowing what your setup looks like, I can’t advise what kind or size of puller to get. HF has pullers, if you have a dealer near you.

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Greg

4 posts in 232 days


#7 posted 166 days ago

Thanks. I’ll give that a try.

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