[GreenKeys] Model 33 ASR Keyboard Key Cap Restoration

[Don Robert House K9TTY]

I just use the buffing wheel in the drill press with a special rouge stick made for plastic.
No matter what method used, one must be careful not to melt the key-top or injure the operator.

Don
K9TTY


On 31 Jan 2015, at 7:21 PM, David Tumey via GreenKeys wrote:

> Doug,
> 
> Just my $.02 on the key cap restoration work I have done for my machines with excellent results.
> 
> As you can see in the 'before' photos, the caps were covered with a chalky-white 'oxidation' (for lack of a better word).
> 
> Step 1 - I removed each key from the KB one at a time and cleaned with some 0-0-0-0 steel wool dipped in a solution of 50% Linseed oil and 50% mineral spirits.
> 
> Step 2 - Wet sanded the sides and top with #800 wet/dry paper + water.  The lettering is molded into the cap, so you do not have to worry about removing it when you use an abrasive.
> 
> Step 3 - Polished the key cap with a stitched buffing wheel in a drill press and a fine polish.  This brought the cap back to a nice gloss.
> 
> Step 4 - Applied some Turtle Wax "ICE", then removed with a soft microfiber cloth.
> 
> Step 5 - Applied a light film of Remington Gun oil to the key lever and replaced it in the keyboard.
> 
> I did this for 4 KB's in all, and they all look just like the 'after' photo.  I restored the spacebar the same way.
> 
> Hope this helps.
> 
> --dave
> W5DT
> <KB Before.JPG><KB After.JPG>______________________________________________________________
> GreenKeys mailing list
> Home: http://mailman.qth.net/mailman/listinfo/greenkeys
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:GreenKeys at mailman.qth.net
> 
> 2002-to-present greenkeys archive: http://mailman.qth.net/pipermail/greenkeys/
> 1998-to-2001 greenkeys archive: http://mailman.qth.net/archive/greenkeys/greenkeys.html
> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://comcents.com/tty/greenkeyssearch.html
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20150208/b9c875ca/attachment.html>