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Author Topic: Report on (slow) S2 Coupe rebuild progress  (Read 65915 times)
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nthomas1
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« Reply #390 on: 11 May, 2020, 07:27:14 PM »


Yes Andrea, i connected it to a fully charged 12v battery.  All I got was a few sparks when I connected the positive wire to the red terminal. It spins OK by hand.   
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Norm Thomas
Ormskirk, Lancashire

Own:
1973 Fulvia S2 Coupe
Various modern cars
Previous Lancias: S2 Coupe and S3 Coupe in late 1970s
Jaydub
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« Reply #391 on: 11 May, 2020, 07:35:12 PM »

As Andrea said, connect it to a battery. It doesn
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1600 HF. S2.
Jaydub
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Posts: 276


« Reply #392 on: 11 May, 2020, 07:46:14 PM »

I don`t know what happened there, it disappeared before I`d finished!
 Put an Ohms meter across the 2 wires. If there is continuity the motor should be OK. Check for continuity between both wires and the casing in turn, if you have then you could have a short to earth which would cause the sparks. If no continuity across the 2 wires,  you have an open circuit, sticking brush maybe? I presume you earthed it? It doesn`t matter which way round you connect it, it will only spin the wrong way if incorrect.
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1600 HF. S2.
lancialulu
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« Reply #393 on: 11 May, 2020, 08:53:59 PM »


Yes Andrea, i connected it to a fully charged 12v battery.  All I got was a few sparks when I connected the positive wire to the red terminal. It spins OK by hand.   
Be brave and make a good contact! They do draw quite a current, and also have a bit of gyroscopic tendency leap out and chop fingers off. Good luck!
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Its not the winning but taking part! or is it taking apart?
1955 Aurelia B12
1967 Flavia Vignale iniezione
1967 Fulvia 1.3HFR
1972 Fulvia 1600HF
1972 Fulvia 1600HF
1972 1600 Fulvia Sport
1979 2500 Gamma Coupe
1988 Delta 1.6GTi
1998 Zeta
nthomas1
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« Reply #394 on: 12 May, 2020, 10:58:21 AM »

I rigged the fan up via a tested push-pull switch so I know Iíve got good contacts. No sparks now.  The fan works intermittently. When first switched on it spun for a few seconds then stopped. Most subsequent attempts showed no response. Occasionally a slight turn. Feels like something is binding. The fan blades are free and not touching the cowling. When I disconnect and turn the fan manually it turns a few revolutions then seems to bind. Should it always spin freely when manually rotated?
« Last Edit: 12 May, 2020, 11:36:18 AM by nthomas1 » Logged

Norm Thomas
Ormskirk, Lancashire

Own:
1973 Fulvia S2 Coupe
Various modern cars
Previous Lancias: S2 Coupe and S3 Coupe in late 1970s
rogerelias
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Posts: 950


MY 1600HF IN HEARTBEAT GARAGE


« Reply #395 on: 12 May, 2020, 02:38:09 PM »

Hi Norm. the fan should turn freely by hand with no resistance. try a little WD40 down the shaft and keep turning by hand,you may be lucky
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FULVIA 1600HF LUSSO
1958 VELOCETTE MAC
Triumph Bonneville t120v 1972
1968 MGC ROADSTER
1958 Series 2 Appia berlina
Jaydub
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Posts: 276


« Reply #396 on: 12 May, 2020, 03:31:35 PM »

Hi Norm
Sent you an email with a photo.
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1600 HF. S2.
nthomas1
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Posts: 709



« Reply #397 on: 12 May, 2020, 05:01:46 PM »


Source of problem detected!  I disassembled the fan and found that one of the large outer magnets has become detached.  The outer rotating ring has been scraping against it and binding.  Just to be absolutely sure, I reassembled without the loose magnet and the motor spins freely.

Am I right to assume that the adhesive needed to fix the magnet back in place is not something readily available, and that I will need to get a replacement fan?


* a - Fan Disassembled.JPG (673.83 KB, 1276x957 - viewed 59 times.)

* b - Detached Magnet.JPG (648.83 KB, 1276x957 - viewed 65 times.)
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Norm Thomas
Ormskirk, Lancashire

Own:
1973 Fulvia S2 Coupe
Various modern cars
Previous Lancias: S2 Coupe and S3 Coupe in late 1970s
Neil
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Posts: 975



« Reply #398 on: 12 May, 2020, 06:16:34 PM »

Hi Norm, good work on finding the problem, could you stick it back with two pack epoxy I would think it would stick back perfectly then retest?
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Neil   
386

1973 Fulvia S2 1.3
lancialulu
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« Reply #399 on: 12 May, 2020, 09:05:35 PM »

Think I heard that failure in a heater fan. I would use superglue. Large area to get a good fix. Make sure you de grease and glue exactly as it separated and clamp two bits together.
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Its not the winning but taking part! or is it taking apart?
1955 Aurelia B12
1967 Flavia Vignale iniezione
1967 Fulvia 1.3HFR
1972 Fulvia 1600HF
1972 Fulvia 1600HF
1972 1600 Fulvia Sport
1979 2500 Gamma Coupe
1988 Delta 1.6GTi
1998 Zeta
nthomas1
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Posts: 709



« Reply #400 on: 12 May, 2020, 09:23:54 PM »


Thanks for the recommendation Neil.

I've not had good experience with superglue in the past Tim - maybe I've not applied it correctly.  I have had success with 2-pack epoxy though.  Do you not think that would be suitable?
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Norm Thomas
Ormskirk, Lancashire

Own:
1973 Fulvia S2 Coupe
Various modern cars
Previous Lancias: S2 Coupe and S3 Coupe in late 1970s
chriswgawne
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« Reply #401 on: 13 May, 2020, 08:04:10 AM »

I have had excellent results on repairs like this using one of the Henkel 'Nural' 2 pack products. There are various types of Nural and not all variants are on sale in all EU Countries but I believe B&Q seel some and also Amazon.
Chris
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Chris Gawne
Mobile: 07778 216552
lancialulu
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« Reply #402 on: 13 May, 2020, 08:34:19 AM »

Think I heard that failure in a heater fan. I would use superglue. Large area to get a good fix. Make sure you de grease and glue exactly as it separated and clamp two bits together.
I remember it was on an electric window winder. It is always worth taking these things apart as a simple fix brings them back to life again. Re epoxy JB wonder weld is probably what I would ave used but still stick (pardon the pun) by super glue if the both mating surfaces match (ie no air gaps), unless of course the original glue has failed and is or has broken away.
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Its not the winning but taking part! or is it taking apart?
1955 Aurelia B12
1967 Flavia Vignale iniezione
1967 Fulvia 1.3HFR
1972 Fulvia 1600HF
1972 Fulvia 1600HF
1972 1600 Fulvia Sport
1979 2500 Gamma Coupe
1988 Delta 1.6GTi
1998 Zeta
DavidLaver
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Posts: 4171



« Reply #403 on: 13 May, 2020, 11:47:05 AM »


Great news that you've found the cause, and why not attempt a repair given you can bench test and its not sooo critial for all I'm sure we could imagine ways it could set the car on fire.

---

I always used to think of superglues for when the fractured surface would refit with no gap.  However stuff like this will fill a "gap" and there's all sorts of "hacks" out there to mix with fillers like baking soda and wood dust.

https://www.yandles.co.uk/zap-a-gap-cyanoacrylate-super-glue/p4109

https://www.starbond.com/tutorials/fill-large-gaps-in-wood-using-super-glue/

---

However for that job my instinct would be epoxy...  I wonder what was used originally?

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David Laver, Lewisham.
nthomas1
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« Reply #404 on: 13 May, 2020, 12:38:45 PM »


Thanks for the input chaps.  I couldn't find Nural in the UK so am going to use two-pack epoxy Araldite.  Will have to be a thin layer as I've got to maintain a gap between magnets and the spinning portion of the motor.  Andrew Cliffe at Omicron recommended using slow setting.

I'm fitting the rear windscreen today so will carry on with door/window seals until the epoxy arrives.
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Norm Thomas
Ormskirk, Lancashire

Own:
1973 Fulvia S2 Coupe
Various modern cars
Previous Lancias: S2 Coupe and S3 Coupe in late 1970s
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