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Author Topic: S3 heater fan motor  (Read 810 times)
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lancianut666
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Slow but rough


« on: 29 January, 2018, 09:45:44 PM »

Hi all
As part of my rehab I decided to give a Consortium member in Norway a helping hand as he had no heater motor in his S3 brrrr...
I found a motor still in the housing and managed to persuade it out into the daylight after 50+ years. The fastenings that look like rivets are in fact pins that go through the housing into a rubber sleeve that sits between the motor and the housing. The motor was quite stiff so I left it to soak overnight with some lubricant and then connected it up to a 12v supply. It much to my surprise burst into life but seemed to run a bit slowly and erratically.
So I decided to have a look inside...


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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
DavidLaver
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« Reply #1 on: 29 January, 2018, 09:49:17 PM »


Good to see you having fun with some bits and bobs.
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David Laver, Lewisham.
lancianut666
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Slow but rough


« Reply #2 on: 29 January, 2018, 09:58:51 PM »

The brushes looked OK but the segments were not very separate so I cleaned the dust and muck out between them and gave them a quick sandpapering. Put it all back together with a bit of grease on the bearings and it runs a lot better.
points to watch
the casing is held together with a threaded rod with 6mm nuts on each end and the end facing the elements had seized and there was a danger they would shear off so we had to do it the hard way.
when the case separates 2 brass sleeves will fall out  and possibly what looks like a fibre dust shield may be displaced
to get it all back together you need to guide the threaded rods into the winding body and keep the brass sleeves aligned with the holes through the bottom of the casing and get the brushes to slip back over the rotor segments. I found a couple of bits of copper single core did the job and a wooden cocktail stick moved the brushes back.

A third hand is probably essential but if you can get the front 6mm nuts off without shearing the rods it would be a lot easier
Clarkey


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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
lancianut666
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Slow but rough


« Reply #3 on: 29 January, 2018, 10:00:52 PM »

Thanks David
It is so good to get back on the tools!!!!
Clarkey
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
fay66
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« Reply #4 on: 29 January, 2018, 11:09:11 PM »

Hi all
As part of my rehab I decided to give a Consortium member in Norway a helping hand as he had no heater motor in his S3 brrrr...
I found a motor still in the housing and managed to persuade it out into the daylight after 50+ years. The fastenings that look like rivets are in fact pins that go through the housing into a rubber sleeve that sits between the motor and the housing. The motor was quite stiff so I left it to soak overnight with some lubricant and then connected it up to a 12v supply. It much to my surprise burst into life but seemed to run a bit slowly and erratically.
So I decided to have a look inside...

The pins used for fixing sound the same as used on Flaminia & Fulvia , and no doubt other models as well, like yourself i thought they were rivets, but it makes it so easy to remove the motor.
Brian
8227 Cool
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Own 1966 Fulvia 2C Berlina since 1997, back on road 11-1999.Known as "Fay"
1999 Suzuki Wagon R+ GL, now my daughters
2006 Renault Megane 1 5 Dci Sports Tourer
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lancianut666
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Slow but rough


« Reply #5 on: 30 January, 2018, 09:48:02 AM »

Hi Brian
I was so glad to see the rivets turn into pins you could prise out with a screwdriver...otherwise it looked like it would be out with the angle grinder to take the heads of the rivets off.
Clarkey
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
fay66
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« Reply #6 on: 30 January, 2018, 10:23:45 AM »

Hi Brian
I was so glad to see the rivets turn into pins you could prise out with a screwdriver...otherwise it looked like it would be out with the angle grinder to take the heads of the rivets off.
Clarkey

And me Grin
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Own 1966 Fulvia 2C Berlina since 1997, back on road 11-1999.Known as "Fay"
1999 Suzuki Wagon R+ GL, now my daughters
2006 Renault Megane 1 5 Dci Sports Tourer
Dedra Technical Adviser
lancianut666
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Slow but rough


« Reply #7 on: 01 February, 2018, 04:52:24 PM »

It's off on it's way to chilly Norway now...
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
lancianut666
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Slow but rough


« Reply #8 on: 22 February, 2018, 09:34:16 PM »

No news from Norway...
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Fulvia Coupe S2 Flavia Coupe 1967 1.8 Kugelfischer Prisma 1.6 carb Y10 Fila Y10 Touring Dedra 1.8 Dedra 2.0 Turbo Appia S1
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