Question about Kirby Heritage II Vacuum
I have a Kirby Heritage II vacuum cleaner that was repaired a few months ago. The problem was that the carbon brushes had worn down, thus the motor would not operate.
Now, a few months later, the vacuum was in use when the motor started to die and finally stopped. I opened up the vacuum and noticed that one of the carbon brushes appeared to be worn again -- so I wasn't getting good conductivity across the motor. This appears to be suspect that the new carbon brush would wear down so quickly.
What could be wrong with the motor, and is it really worth fixing?
4 possible reasons.
1 – one or both bearings are worn so armature (rotating part) wobbles as it is spinning and cause motor brushes to wear fast. Solution – change bearings too.
2 – Whoever replaced brushes – did not use some brush seating sticks to make cmutator smother and contour brushes to the shape of the comutator (not likely). Solution – appropriately install new set of brushes.
3 – Comutator is so warped that seating sticks do not help anymore – solution – new armature or turn the old armature.
4 – The fact that ONLY ONE brush was worn may mean that there is something wrong with the brush or housing. Maybe it could not move freely within the housing? I think this may be most likely cause it it may be a combination of all 4.Is it worth to fix? Hmm depends how much will it be. If this is 100+ - I’d say get newer Kirby for 300 ad enjoy the tech drive (Heritage does not have tech drive so it is much harder to vacuum with than the newer models)
Posted on Nov 06, 2008
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Posted on Jan 02, 2017
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