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Main => Project Announcements => Topic started by: BUCKETHEAD on October 10, 2007, 07:32:26 pm

Title: A new way to remove an old CP Overlay?
Post by: BUCKETHEAD on October 10, 2007, 07:32:26 pm: I have used a heat gun before to remove old CP Overlay's.

That method always works well but is slow and gooey! :(

Today i had to remove the old overlay from my TRON CP.

Wishing there was a quicker method?

I wondered what would happen, If i were to pour gasoline on it and light it up?

To my surprise, It worked great ! :)

The overlay came off in almost one whole peel !

And also less goo ! :)

Has anyone else ever tried this ?
Title: Re: A new way to remove an old CP Overlay?
Post by: spacies on October 10, 2007, 08:32:00 pm: LOL,

You're nuts :laugh2:
Title: Re: A new way to remove an old CP Overlay?
Post by: IG-88 on October 10, 2007, 08:48:10 pm: Oh ya, all the time. Make sure you use lots of gas though. 5 gallons or more works best. You can even do it the living room on the coffee table. Just make sure you open a window first. ::)
Title: Re: A new way to remove an old CP Overlay?
Post by: BUCKETHEAD on October 10, 2007, 09:08:51 pm: I'll pass on the living room coffee table. ::)

Also 5 gallons is not necessary, Just a good soaking will do!

You don't want to blow the F@CKER up!

I used my driveway instead.

Whatever works for you though? :)
Title: Re: A new way to remove an old CP Overlay?
Post by: theCoder on October 10, 2007, 11:40:18 pm: Why not use one of those large turkey deep vat fryers. I hear they are a little safer than a gasoline fire.
Title: Re: A new way to remove an old CP Overlay?
Post by: leapinlew on October 11, 2007, 12:18:40 am: so... is the gas a solvent or is the heat soften up all the glue? I wonder if you could get the same result in the oven.

350 degrees and 2 minutes per pound.
Title: Re: A new way to remove an old CP Overlay?
Post by: BUCKETHEAD on October 11, 2007, 07:27:39 am: I really didn't know what it would do?

I thought either it would burn it to a crisp, And the Overlay could be scraped off.

Or it would heat it up so much that it would peel off easily.

The result was it heated it up so much, That it came right off in almost one peel.

I have a very large driveway.

So the fire getting out of control was not an issue for me.
Title: Re: A new way to remove an old CP Overlay?
Post by: BUCKETHEAD on October 11, 2007, 09:29:42 am: This is this result i got, By just pouring gas on it and setting it on fire.

Like i said it all came off in two big peels.

Not alot of goo either.

I will go over it with a wire wheel to clean it all up.

I was very pleased with this method.

Keeping this in mind!

Using gasoline is very dangerous and great caution should be taken.
Title: Re: A new way to remove an old CP Overlay?
Post by: zorg on October 11, 2007, 10:12:59 am: I guess he tried your method to peel off the Baby Pacman CPO

(http://img1.uplood.fr/mamu/i129_10.jpg)

:laugh2: :laugh2: :laugh2: :laugh2: :laugh2: :laugh2:
Title: Re: A new way to remove an old CP Overlay?
Post by: Level42 on October 11, 2007, 11:12:46 am: Ow Man, that hurts !
Title: Re: A new way to remove an old CP Overlay?
Post by: CheffoJeffo on October 11, 2007, 11:15:21 am: I've baked off overlays with an old BBQ and had good results.
Title: Re: A new way to remove an old CP Overlay?
Post by: galaga69 on January 24, 2008, 05:16:24 pm: I recently picked up a decent Tron CP from HooPZ, and was able to successfully remove the old overlay (and subsequent gooey adhesive) using a combination of Goof Off, a small wire brush (useful in the rounded corners), and a sanding block.

The lesson I learned in this exercise is to be patient with the Goof Off, and allow it to soak in for about 10 minutes or so before attempting to remove the "bottom" layer of overlay material. This allowed it to be peeled off fairly easily in sheets. Otherwise, attempting to remove it while still saturated with solvent resulted in it disintegrating in my hands. :cry:

Once all the gunk was removed, I then applied a layer of Brasso to give it a smooth finish, ready for the new overlay. :) See the attached picture for the result.

galaga69
Title: Re: A new way to remove an old CP Overlay?
Post by: IG-88 on January 24, 2008, 07:04:07 pm: Very nice. Do you think the Brasso will leave a residue that will inhibit the new overlay from sticking very well?
Title: Re: A new way to remove an old CP Overlay?
Post by: bvicarious on January 24, 2008, 08:17:35 pm: I wonder if electrolysis would be effective in removing the old overlay from a metal control panel. I've used it to clean a lot of old junk, and in minutes it removes layers and layers of rust, dirt, grime, and thick paint. What you do is get a DC power supply, anywhere from 3-48V and around 1 amp, connect the + wire to a piece of steel to be sacrificed and connect the - wire to the control panel. Then you put them in a plastic bucket filled with water, make sure they don't touch each other, and add a few tablespoons of washing soda. Plug the power supply in, watch the control panel bubble up, and soon enough anything that isn't metal will be floating on the surface. It'll also remove any oxidation and rust and leave a shiny new surface.

I love how the two best cleaning solutions involve playing with fire and electricity ;D
Title: Re: A new way to remove an old CP Overlay?
Post by: IG-88 on January 24, 2008, 08:42:15 pm: Now that would be cool too see.... :o
Title: Re: A new way to remove an old CP Overlay?
Post by: galaga69 on January 24, 2008, 09:41:17 pm: IG-88,

No residue issues from the Brasso. Once I finished polishing the CP with Brasso, I used simply dish detergent with a nylon brush and scrubbed the CP completely clean. The picture I attached shows the CP after all this was done. It's clean enough now for your finger to squeak as you rub it across the top of the CP.