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914World.com _ 914World Garage _ cleaning the relay board- alcohol O.K.?

Posted by: rfuerst911sc Jan 25 2009, 02:30 PM

I have found a couple of engine relay boards in my stash-o-parts for my 75 GT clone project. The bottom of the boards seem to be in good shape with minimal cracking in the potting. So I want to clean the top side,relay contacts,fuseholders etc. so what to use? I was thinking either alcohol or paint thinner. I want to be able to use a stiff brush to get everything nice and clean. Then I'd like to coat all contact points with dielectric grease is that good to use? Any suggestions are appreciated.

Posted by: tod914 Jan 25 2009, 02:45 PM

You can get contact cleaner at Radio shack, or HO model train track cleaner works good too.

Posted by: quadracerx Jan 25 2009, 03:13 PM

I was just gonna say...Contact Cleaner rules... I use it on computer stuff all the time....

Steve

Posted by: underthetire Jan 25 2009, 03:24 PM

Watch out for contact cleaner. NOT ALL OF IT IS PLASTIC SAFE!! Just ask my buddy that dropped his cell phone in coolant then tried to " clean and dry it out" with contact cleaner. He was left with just the circuit board an battery. I of coarse laughed my ass off!

I have also had plastic safe contact cleaner react to stuff funny. If it is clean you want, 50/50 simple green with warm water rinse. Followed by a good alcohol rinse.

Posted by: ericread Jan 25 2009, 07:39 PM

Alcohol is great!!!

Usually I prefer Maker's Mark (whiskey) or Patron Silver (tequila).

Oh, make no mistake, I wouldn't use either to clean the realy board, but they sure are fun to drink!!!

Eric

Posted by: Triaddave Jan 25 2009, 09:33 PM

[I wanted to add something I found to work on the bottom of the relay board SHOE GOO available from K-mart. it is self leveling and drys over night. I know that was not the question, but thought I would throw this in...
[/quote]

Posted by: jt914-6 Jan 27 2009, 05:56 AM

You might try some CRC QD Electronic Cleaner. It cleans electronics and is safe for most plastics.