Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 15-05-2014, 13:09   #1
Registered User
 
SailingTerrapin's Avatar

Join Date: May 2014
Location: San Diego
Boat: Dufour 12000ct 45 Ketch
Posts: 50
Images: 1
Cleaning oxidized terminals?

Hi everyone,

When I plug in my multifunction to the terminals at the upper helm, it sometimes works and sometimes doesnt. Upon visual inspection, it looks like there is quite a bit of oxidation inside the female connectors. Unfortunately, the previous owner neglected the boat for a while before I bought it. I would like to find a way to clean off the oxidation inside the connectors, but I don't want to screw anything up. Any suggestions? Thanks! -- Phil
__________________

__________________
Family of four from California sell it all and set sail
Dufour 1978 45' Ketch
www.sv-terrapin.com
SailingTerrapin is offline   Reply With Quote
Old 15-05-2014, 13:13   #2
Moderator
 
a64pilot's Avatar

Cruisers Forum Supporter

Join Date: Oct 2013
Location: Albany Ga.
Boat: Island Packet 38
Posts: 17,032
Re: Cleaning oxidized terminals?

There are several, this is one that should be easy to find, but any electronics store will have some form of cleaner
Contact Cleaner | Electrical Contact Cleaner & Contact Spray
__________________

__________________
a64pilot is offline   Reply With Quote
Old 15-05-2014, 14:02   #3
Moderator Emeritus
 
David M's Avatar

Cruisers Forum Supporter

Join Date: Sep 2007
Location: San Francisco Bay
Boat: research vessel
Posts: 10,150
Re: Cleaning oxidized terminals?

Are these connectors pins and sockets or something different?

Small sockets are extremely difficult to clean and sometimes won't provide a secure connection where you need electrical continuity no matter what you do. Replacement is then required.

Pins can be cleaned with a fine stainless steel or a fine brass wire brush.

For displacing any water in the future therefore stopping oxidation and preserving any rubber O-rings or other rubber seals, I like using silicone grease which does not cause rubber to swell or weaken, like petroleum based substances can cause, such as Vaseline.
__________________
David

Life begins where land ends.
David M is offline   Reply With Quote
Old 15-05-2014, 15:19   #4
Registered User
 
SailingTerrapin's Avatar

Join Date: May 2014
Location: San Diego
Boat: Dufour 12000ct 45 Ketch
Posts: 50
Images: 1
Re: Cleaning oxidized terminals?

David,

Yes they are pins and sockets. Actually they are the connections for my ray c80 chartplotter. Any hope for cleaning those? I was hoping not to have to replace and re-run the wires. Thanks
__________________
Family of four from California sell it all and set sail
Dufour 1978 45' Ketch
www.sv-terrapin.com
SailingTerrapin is offline   Reply With Quote
Old 16-05-2014, 07:06   #5
Marine Service Provider
 
AnchorageGuy's Avatar

Join Date: Mar 2003
Location: Wherever the boat is!
Boat: Marine Trader 34DC
Posts: 4,618
Re: Cleaning oxidized terminals?

Use the contact cleaner as previously suggested. Also clean the male pins. Apply something like CRC electrical lubricant and plug and unplug several times. I'm willing to bet you will see a big improvement and if you keep the connections coated you may not have a problem in the future. Chuck
__________________
Chesapeake Bay, ICW Hampton Roads To Key West, The Gulf Coast, The Bahamas

The Trawler Beach House
Voyages Of Sea Trek
AnchorageGuy is offline   Reply With Quote
Old 16-05-2014, 07:28   #6
Registered User

Join Date: Jul 2013
Location: Usually South Florida these days
Posts: 825
Re: Cleaning oxidized terminals?

Quote:
Originally Posted by David M View Post
For displacing any water in the future therefore stopping oxidation and preserving any rubber O-rings or other rubber seals, I like using silicone grease which does not cause rubber to swell or weaken
Not all silicone lubes are created equally. Some have additives that do cause problems. Dow Corning 111 (available from Grainger) is one of the safe ones.
__________________
pbiJim is offline   Reply With Quote
Old 16-05-2014, 08:01   #7
Registered User

Join Date: Apr 2013
Posts: 227
Re: Cleaning oxidized terminals?

Contact/switch cleaner spray is good, keep plugging and unplugging connectors to wear away the corrosion products. Adding valve-grinding paste helps if deposits are stubborn. Remove all traces afterwards.

A useful tool for really tiny sockets is known (in the UK anyway) as a "tip cleaner set" - intended for cleaning jets in oxy-acetylene torches and mig welding tips. Snip off the smooth part for "blind hole" type sockets.
Set has different sizes: Gas and Mig Welding Tip Nozzle Cleaner Set - In Folding Metal Case | eBay
Like tiny little round files smaller than sewing needles but not hard and brittle like files. Lots of uses, wouldnt be without a set.

Takes care, patience and a good magnifier but works if enough contact metal remains. If the pins & sockets are weakened by the corrosion it's critical to ensure that adjacent terminals are not bridged.
Corrosion products are conductive so use contact spray can or solvent and compressed air to flush away all debris afterwards. Protect your eyes.
__________________
bornyesterday is offline   Reply With Quote
Old 16-05-2014, 08:11   #8
Registered User

Join Date: Aug 2009
Location: Kimberton PA
Boat: Cabo Rico 38 / Bayfield 32
Posts: 573
Images: 1
Re: Cleaning oxidized terminals?

DeoxIt D5 Stuff works great for cleaning and de-oxidizing contacts. They also have some protective products, but I've never used them so I don't know if they add anything. Hope it helps.
__________________
Saltyhog is offline   Reply With Quote
Old 16-05-2014, 09:32   #9
Marine Service Provider
 
AnchorageGuy's Avatar

Join Date: Mar 2003
Location: Wherever the boat is!
Boat: Marine Trader 34DC
Posts: 4,618
Re: Cleaning oxidized terminals?

Quote:
Originally Posted by pbiJim View Post
Not all silicone lubes are created equally. Some have additives that do cause problems. Dow Corning 111 (available from Grainger) is one of the safe ones.
We generally keep some silicone dielectric grease on hand from a local electrical supply. CRC Makes one. Chuck
__________________

__________________
Chesapeake Bay, ICW Hampton Roads To Key West, The Gulf Coast, The Bahamas

The Trawler Beach House
Voyages Of Sea Trek
AnchorageGuy is offline   Reply With Quote
Reply

Tags
cleaning

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Oxidized Gelcoat . . . What's Next ? Paint or Polish ? SailFastTri Construction, Maintenance & Refit 17 23-02-2013 09:32
Teak Oil Spill on Oxidized Gelcoat four winds Construction, Maintenance & Refit 8 14-11-2011 12:29
Nu Finish on an Oxidized Fiberglass Hull? Mata'irea Construction, Maintenance & Refit 4 24-05-2011 16:46
Cleaning Terminals gbendaly Electrical: Batteries, Generators & Solar 2 19-06-2010 01:31
How Oxidized Is Oxidized? davisr Construction, Maintenance & Refit 4 17-03-2010 08:45



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 15:57.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.