How do I get the impeller off the motor shaft for the blower on my keep right furnas

Separate the plumbing portion of the pump from the seal plate which is attached to the motor. The bolts will be a 9/16 inch hex head, that are visible facing the motor. Remove those bolts. That will then allow you to pull the motor and the seal plate away from the plumbing portion of the pump. Remove the diffuser which is covering the impeller, and then the impeller will need to be unthreaded off of the motors shaft. The motors shaft, will need to be locked. You can do this by removing the Cap on the backside of the motor and you can use whatever tool required to keep the shaft from spinning. Once you are able to lock the shaft, you can read the impeller... Note* some styles will have a screw in the middle of the impeller securing it to the motors shaft? This screw is Backwards thread, not normal thread. If your pump has this screw, need to remove it first, then you will be able to unthread the impeller off of the motors shaft.
once the impeller is removed, you can then remove the two halves of the shaft seal. Very carefully reinsert the new shaft seal into the proper places, just the way they were prior to you removing them.

Reassemble in backwards order as you disassembled everything.
good luck

Check the impeller (on the side opposite the pull starter) to see if it is locked to the drive shaft (in the center of the impeller). The shaft could be spinning but, if the impeller is loose on the shaft, it can't spin fast enough to force as much air through the nozzle as it should.

Hi and welcome to FixYa, I am Kelly.
The fan should just be a slide on the motor shaft snug fit with a metal clamp. The Blower wheel (fan) when they fail usually crack the center hub and no longer fit will on the motor shaft sungly so it contacts the blower housing as it rotates. That is why you hear all the noise. If the blower wheel / impeller as you referred to it does not fit tightly on the motor chaft then you will have to replace it. It should rotate in a true non-oscillation pattern like a circular saw blade. Any side to side movement during rotation is cause for replacement.

Here are 2 sources for a spare part:
http://www.spares4appliances.co.uk/s4ag1253-whirlpool-tumble-dryer-blower-wheel.html
(^- best price)

http://www.tdspares.co.uk/proddetail.asp?prod=mfn1024&cat=210

Thanks for choosing FixYa,
Kelly

There are a number of screws on the pump housing opposite the motor that can be removed to open the pump and expose the impeller. Some pumps have a screw into the center of the shaft that helps keep the impeller from spinning off the shaft. It often is a left handed screw. Once any center screw is removed the cover on the other end of the pump should be removed to expose the end of the motor shaft. This end of the shaft should be held solid with a wrench while the impellor is unscrewed. These threads are usually right handed. The process can be reversed with a new impeller. I hope this helps.

Take the screws off the outer cover fo the wet end. That will expose the impeller.
At the other end of the pump is a small metal cap in the middle. Pry that off with a screwdriver. That reveals the shaft of the motor which has a slot in it. This allows you to hold the shaft still with a large screwdriver.
While someone holds the shaft with a big screwdriver, you rotate the impeller counter clockwise to unscrew it off the motor shaft.
In my case the impeller was so caked onto the shaft with rust that we could not loosen it. We broke the impeller and still could not unscrew it. The screwdriver keeps jumping out of the slot in the shaft.
So the next step was to take the shaft out of the motor. On the far end of the motor are 4 small looking bolt heads. Undo those. They go right through the motor into the 4 legs of the wet end.
Stand the motor up with the wet end up. Pull hard to pull the wet end motor cover off the motor and you will then have the wet end and armature of the motor in your hands. Heavy.
Place some wood into a large vice and then grip the big silver part of the armature in the vice. Then unscrew the impeller.

Take the screws off the outer cover fo the wet end. That will expose the impeller.
At the other end of the pump is a small metal cap in the middle. Pry that off with a screwdriver. That reveals the shaft of the motor which has a slot in it. This allows you to hold the shaft still with a large screwdriver.
While someone holds the shaft with a big screwdriver, you rotate the impeller counter clockwise to unscrew it off the motor shaft.
In my case the impeller was so caked onto the shaft with rust that we could not loosen it. We broke the impeller and still could not unscrew it. The screwdriver keeps jumping out of the slot in the shaft.
So the next step was to take the shaft out of the motor. On the far end of the motor are 4 small looking bolt heads. Undo those. They go right through the motor into the 4 legs of the wet end.
Stand the motor up with the wet end up. Pull hard to pull the wet end motor cover off the motor and you will then have the wet end and armature of the motor in your hands. Heavy.
Place some wood into a large vice and then grip the big silver part of the armature in the vice. Then unscrew the impeller.

The impeller is screwed on to the motor shaft; to remove it you need to hold the motor shaft at the fan end so that you can unscrew the impeller - normal right hand thread. Holding the shaft can sometimes be quite difficult so a good suggestion would be to remove the fan cowl along with the fan, this will enable you to secure the shaft with a small pipe wrench or similar. Once you have the impeller removed it will be possible to ascertain what steps need to be taken next - you may need a new shaft sleeve as well as a new mechanical seal assembly.
Good luck,
Mike G

make shure you dont have trash in your vent that would cause that or may be the fan inside is broken but if you **** on that tube it should come on and if thats the case check the flue and fan blade behind the motor even leaves in the blower wheel will mess with the pres inside that fan housing

This is usually a job for an appliance service company. However, the exhaust blower impeller is typically screwed on to the motor shaft. You will need to wear gloves and get a tight hand grip on the impeller, while using a wrench to unscrew the impeller at the motor. The impeller can be screwed on so tight at the manufacturer that, occassionally, it is necessary to chisel or break the impeller into pieces, and then replace it with a new one!

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