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VCR Heads - Cleaning Fluid?

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S

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Dec 17, 2002, 6:50:32 PM12/17/02
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Is isopropyl alcohol suitable/a good choice for use in cleaning VCR heads,
or should a proprietary cleaning fluid be used? If so, which one(s) would
you recommend?

TIA.


Russell Spearing

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Dec 17, 2002, 7:30:23 PM12/17/02
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Isopropyl alcohol is the best thing for cleaning the heads. The reason being
that as it is, as near as dammit, pure alcohol which avaporates quickly and
leaves no residue.

To be honest, it doesn't really matter which one you use as long as it is
called isopropal alcohol or isopropanol or just IPA, it is all the same
stuff. I used to get it from my local chemist, but now I use RS components
IPA.


"S" <S...@Hotmail.com> wrote in message
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Sue D Nim

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Dec 17, 2002, 7:35:16 PM12/17/02
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I prefer methyl alcohol (shellac thinner). I think it works better. Rubbing
alcohol (isopropyl) at 70 % is not as effective. You may find 91% or 50% iso
rubbing alcohol, too, so I don't know what your using. Auto dry gas
additives can be used , too, because they are either of the above, iso or
meth.

"S" <S...@Hotmail.com> wrote in message
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Kurtis Bahr

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Dec 17, 2002, 11:53:40 PM12/17/02
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This is about the only product I buy from Radio Shack, Professional Head
Cleaning Solution. Very good cleaner and less residue than IPA.

Kurtis

Mjolinor

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Dec 18, 2002, 3:36:38 AM12/18/02
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"S" <S...@Hotmail.com> wrote in message
news:104016912...@damia.uk.clara.net...

It's fine , more advise, use cardboard like a piece of cornflake packet with
it on if it is very dirty it works better than cloth or cotton buds or
really anything else I have found.

Pedro English

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Dec 18, 2002, 4:02:24 AM12/18/02
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The theoretical best choice is isopropal alcohol, but this is expensive and
often difficult to obtain in small quantities (because desperadoes can make
plenty of cheap cocktails with this stuff, supply is regulated!! The next
best, readily-obtainable substitute is methylated alcohol..a litre for
around a dollar or so. This works pretty much the same and was used by a
famous 4-letter Japanese VTR manufacturer service department for a number of
years. In an emergency, I have used after-shave, and also a dry business
card works to overcome a clogged head. Cloth of choice is chamois, a
hankerchief or paper as a last resort.
Pedro

"S" <S...@Hotmail.com> wrote in message
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jakdedert

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Dec 18, 2002, 10:49:55 AM12/18/02
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I've found a cheap source: automotive 'gas dryer,' the stuff you put in your
gas tank to bind with the water in your gas to prevent gas line freeze up.
The bottle I bought the other day was something like 99.9% isopropal
alcohol; so I bought two: one to put in the car, and the other for my work
bench.

Total cost was less than $2.00 on sale...for two pints.

jak

"Russell Spearing" <russell....@btinternet.com> wrote in message
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Bob Mohler

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Dec 18, 2002, 11:23:54 AM12/18/02
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"Pedro English" <NOSPAMped...@hotmail.com> wrote in message news:<3e00...@news.comindico.com.au>...
> >Does anyone use acetone on soft chamois?
Bob

Stromm Sarnac

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Dec 18, 2002, 12:44:31 PM12/18/02
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In article <104016912...@damia.uk.clara.net>, S...@Hotmail.com
says...
I have a RCA VCR from 1989 that specifically say DO NOT use isopropyl
alcohol to clean the heads (will void warr). So I would say this
depends on the model of your VCR.

Oh, and the one I bought from Radioshack this year (also RCA) says the
same thing.

Uns Lider

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Dec 18, 2002, 4:23:22 PM12/18/02
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On Wed, 18 Dec 2002 12:44:31 -0500, Stromm Sarnac <str...@mail.com> wrote:
> I have a RCA VCR from 1989 that specifically say DO NOT use isopropyl
>alcohol to clean the heads (will void warr). So I would say this
>depends on the model of your VCR.
> Oh, and the one I bought from Radioshack this year (also RCA) says the
>same thing.

This is in the operating manual? What exactly does it say? Is it really
cautioning against the use of certain solvents, or is it cautioning against
improper cleaning _technique_?

-- uns

Stromm Sarnac

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Dec 18, 2002, 6:28:52 PM12/18/02
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In article <slrnb01pre.e6....@miranda.org>, unslider-
use...@miranda.org says...
I'll have to dig out the manuals I just remember that sticking in my
head from actually reading them (I do that every so often :).

S

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Dec 18, 2002, 7:25:06 PM12/18/02
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"S" <S...@Hotmail.com> wrote in message
news:104016912...@damia.uk.clara.net...

Thanks for all the replies.

I have Colclene 33 lint free clothes which are supposed to be for head
cleaning - does anyone have any experience with these?

I will probably just use IPA, but is anyone familiar with the following
proprietary cleaning fluids:-

Colclene 2000 (an acquaintance of mine said that this stuff is garbage
compared to the older (removed for health reasons/CFC's) Colclene TF, which
he said was by far the best stuff he has tried).

Eletcrolube Video Head Tape Cleaner

Chemtronics Head Cleaner II

Amber (may have been Ambersill) FE10

Thanks again.


S

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Dec 18, 2002, 7:27:44 PM12/18/02
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"S" <S...@Hotmail.com> wrote in message
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err... should have been Eletcrolube Video Tape Head Cleaner

Stephen Sank

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Dec 19, 2002, 3:53:20 AM12/19/02
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I've been using MEK- Methyl Ethyl Ketone- for years. It's absolutely the
best head cleaning solvent I've ever used. Also the best rubber
cleaner(with a very few exceptions) & best flux cleaner. In the states,
it's about $10-15 per gallon at just about any paint supply place. You have
to keep it away from styrene plastics(e.g., front panels & display lenses),
and it ain't good to breath or let soak into your skin, but I've found it
much less nasty than methylated alcohol and some other supposedly less
harmful solvents.

--
Stephen Sank, Owner & Ribbon Mic Restorer
Talking Dog Transducer Company
http://stephensank.com
1624-B Eubank Boulevard N.E.
Albuquerque, New Mexico [87112]
505-332-0336
Auth. Nakamichi & McIntosh servicer
Payments preferred through Paypal.com
"Mjolinor" <mjol...@hotmail.com> wrote in message
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Pedro English

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Dec 19, 2002, 5:59:14 AM12/19/02
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If you are using this stuff a lot your health will suffer., STOP USING IT!
This will be adsorbed into your skin, the vapors you breathe in, small
amounts on your fingers you will ingest when you have a sandwich etc.
I reacted badly to this stuff, it took me a while to realise the connection
using this and symptoms I was having..Urtacaria.
No probs at all with alcohol
Pedro

"Stephen Sank" <bk...@thuntek.net> wrote in message
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Mjolinor

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Dec 19, 2002, 6:23:04 AM12/19/02
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"Pedro English" <NOSPAMped...@hotmail.com> wrote in message
news:3e01a67c$1...@news.comindico.com.au...

It will also dissolve the insulation on the coils of the windings in the
head. It does get things it doesn't attack clean but it is way to serious to
use for this. I have some and use it with all windows open, fans running
head back gloves on, it really is vicious stuff buir there is nothing better
for mending plastic.

Stephen Sank

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Dec 19, 2002, 12:02:20 PM12/19/02
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I can absolutely say that MEK does NOT dissolve insulation on head coils.
As far as health damage, my dad once said he spent his 15 years at RCA in
"an MEK haze", and he never had any health problems resulting from it. And
I do take care not to breath it in or let it stay on my skin at all.

--
Stephen Sank, Owner & Ribbon Mic Restorer
Talking Dog Transducer Company
http://stephensank.com
1624-B Eubank Boulevard N.E.

Albuquerque, New Mexico [87112]
505-332-0336
Auth. Nakamichi & McIntosh servicer
Payments preferred through Paypal.com
"Mjolinor" <mjol...@hotmail.com> wrote in message

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Mjolinor

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Dec 19, 2002, 1:15:28 PM12/19/02
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"Stephen Sank" <bk...@thuntek.net> wrote in message
news:atsv05$208t$1...@reader.nmix.net...

> I can absolutely say that MEK does NOT dissolve insulation on head coils.
> As far as health damage, my dad once said he spent his 15 years at RCA in
> "an MEK haze", and he never had any health problems resulting from it.
And
> I do take care not to breath it in or let it stay on my skin at all.

I assumed it would but I have never had cause to test it, it seems to
dissolve most things. It will (I think ) dissolve any plastics that
maufacturers decide to put in there as they strive to make these things
cheaper and non repairable.

Rune Isaksen

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Feb 4, 2003, 12:25:19 PM2/4/03
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"S" <S...@Hotmail.com> skrev i meddelandet
news:104016912...@damia.uk.clara.net...

> Is isopropyl alcohol suitable/a good choice for use in cleaning VCR heads,

No.
Video 90 from CRC.
Nothing else.
/Rune


Sofie

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Feb 4, 2003, 3:46:09 PM2/4/03
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"S"
You can also use, with absolutely NO problems, the 99% isopropyl alcohol
available at most pharmacies and drug stores.... it is more expensive than
the cheap and more common 70% solution that contains too many impurities and
water.--
Best Regards,
Dan Sofie
Electronics Supply & Repair
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

"Rune Isaksen" <rune.i...@telia.com> wrote in message
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Bob Shuman

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Feb 4, 2003, 5:12:13 PM2/4/03
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Sofie,

Never seen 99% Isopropyl Alcohol. Did you mean the 91% version (which I
have seen and use to clean my VCR heads) or is there something that you have
to ask for that is stored behind the counter?

Bob

"Sofie" <so...@olypen.com> wrote in message
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Sofie

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Feb 5, 2003, 2:21:06 AM2/5/03
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Bob Shuman:
I am not certain why the other poster does not like Isopropyl Alcohol
(Isopropanol).... I have used it to clean just about every VCR part since
the mid 80's and before that since the late 60's in Broadcast television I
used to clean $150,000 2" Quad VTR machines and other 1" and 3/4" broadcast
VTR units with not a problem.... all the broadcast engineers used it.... no
one including the manufactures ever contradicted it's use.
The stuff you are presently using (91%) is just fine. My local drug store
has 99% in the small (more expensive bottles)..... also, from time to time
my local electronics jobber will sell 1 gallon jugs of the 99%.
As a side note.... I would have no problem using the 91%..... or even in a
pinch, I would use the 70%.... it has more impurities and water, but it will
do OK.... better than spit.
--
Best Regards,
Daniel Sofie

Electronics Supply & Repair
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -


"Bob Shuman" <resh...@removethis.lucent.com> wrote in message
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Bob Shuman

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Feb 5, 2003, 10:29:21 AM2/5/03
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Sofie,

Thanks. I will look for the 99% pure stuff. I just was not aware it
existed!

BTW, I've cleaned all my video and audio tape heads for about 25 years now
with the 91% variety and all the equipment is still in use and operating
normally, including two early VCR units originally purchased in 1984 and
1985. (I also failed to understand why Rune Isaksen warned against its use
on video heads...)

Bob

"Sofie" <so...@olypen.com> wrote in message

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> The stuff you are presently using (91%) is just fine. My local drug
store
> has 99% in the small (more expensive bottles)..... also, from time to time
> my local electronics jobber will sell 1 gallon jugs of the 99%.

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