[T3] type3-vwtype3.org Digest, Vol 2, Issue 31
Tim Keohane
rheorojo at wildblue.net
Tue Nov 30 10:02:09 PST 2010
On TueNov30, 2010, at 3:13 AM, type3-vwtype3.org-request at lists.vwtype3.org
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Today's Topics:
1. Re: Fan motor (Jim Adney)
2. Re: My Car Has Cancer. (Jim Adney)
3. Re: My Car Has Cancer. (Dave Hall)
4. Re: Voltage (Adriel Rowley)
5. Re: My Car Has Cancer. (Mike Fisher)
6. Re: Voltage (Jim Adney)
7. Re: Voltage (Bobsnotch at aol.com)
8. Re: Voltage (Adriel Rowley)
9. Re: Voltage (Adriel Rowley)
10. Re: Voltage (Jim Adney)
11. Re: My Car Has Cancer. (Marklist)
12. Re: Voltage (Dave Hall)
13. Re: Voltage (Dave Hall)
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Message: 1
Date: Mon, 29 Nov 2010 17:17:48 -0600
From: "Jim Adney" <jadney at vwtype3.org>
To: type3 at vwtype3.org
Subject: Re: [T3] Fan motor
Message-ID: <4CF3E03C.27387.16CE5B at jadney.vwtype3.org>
Content-Type: text/plain; charset=US-ASCII
On 29 Nov 2010 at 9:56, Tim Keohane wrote:
> I removed my fresh air housing and fan, to reseal the housing and
> lubricate the bearings. What I found was the blades on start up make
> contact (ever so slightly) with the housing, until they generate
> enough speed ( a few seconds ) then they self center, and the noise/
> squeal stops.
I don't think I've seen this problem before. Can you tell what
exactly the fan is hitting? Is it hitting something outside the fan
or something inside the fan?
--
*******************************
Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
*******************************
The fan blades are located in a venturi/throat/nozzle arrangement.
With the fan out I powered the unit and watched the blades as the
lower portion of the throat is scuffed/abraded. I can manually move
the fan blades ever so slightly (less than .01") and the contact
ceases. I suppose the "squeal" could still be the bearings, sounds
like bearings, but I suspect the fan starting under load will be more
prone to failure down the road ( because of the contact ). I inverted
the fan and started it up and I have no noise. Still could be
bearings. A few drops of oil won't hurt.
When re-sealing the fan housing in the fresh air housing, I used some
self adhesive foam door seal from Home Depot.
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