Deans Plugs Too Tight  
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All Forums >> Radios, Batteries, Clubhouse and more >> Batteries & Chargers >> Deans Plugs Too Tight
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Deans Plugs Too Tight - 8/22/2007 3:37:15 PM   
PlaneHeli


 

Posts: 614
Joined: 2/1/2006
From: Australia & Asia &, NEW ZEALAND
Status: offline 		A couple of my Lipo Deans plugs are too tight to disconnect easily. The others are OK.

Any tips on loosening them up a little. Or tips on mods to make them easier to disconnect. (Tabs, Tapes, to pull, rather than the plug itself)

I keep breaking the ESC or Battery wires off trying to pry them apart.

Looking for tried and true ideas before I start experimenting.

Cheers

< Message edited by PlaneHeli -- 8/22/2007 4:04:55 PM >

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RE: Deans Plugs Too Tight - 8/22/2007 4:08:09 PM   
Josey Wales



Posts: 4696
Joined: 7/27/2003
From: **, NJ, USA
Status: offline 		on my Ultra Deans I cut 2 small pieces of sandpaper and glue them to each plug--makes it easier to grip and pull apart.

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RE: Deans Plugs Too Tight - 8/22/2007 4:20:29 PM   
PlaneHeli


 

Posts: 614
Joined: 2/1/2006
From: Australia & Asia &, NEW ZEALAND
Status: offline 		Thanks Josey. Not a bad idea.

The plugs are quite small so difficult to grip, thats why the wires get pulled off mine occasionally. so that would help.

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RE: Deans Plugs Too Tight - 8/22/2007 4:28:15 PM   
rmenke


 

Posts: 1822
Joined: 6/25/2004
From: Merced, Ca., CA, USA
Status: offline 		PLANEHELL:

After the sandpaper, try a very light coat of rc gearbox grease on the male plug. Will help quite a bit until the plugs break in. ENJOY

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RE: Deans Plugs Too Tight - 8/22/2007 4:41:46 PM   
PlaneHeli


 

Posts: 614
Joined: 2/1/2006
From: Australia & Asia &, NEW ZEALAND
Status: offline 		Gearbox Grease?

Is that a good conductor of electricity?

Doubt my LHS would have that but will look out for it.

Why RC Gearbox grease. Would any other sort of grease work, Silicone grease? or is the RC gearbox grease made of something able to conduct electricty better than others.

Cheers

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RE: Deans Plugs Too Tight - 8/22/2007 4:42:27 PM   
Red Scholefield



Posts: 5033
Joined: 12/8/2001
From: Newberry, FL, USA
Status: offline 		Coat the pins with vaseline - best contact lubricant you can use according friend who was IBM components engineeer. I also drill holes in them and then you can separate with snap ring pliers.

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RE: Deans Plugs Too Tight - 8/22/2007 4:52:23 PM   
PlaneHeli


 

Posts: 614
Joined: 2/1/2006
From: Australia & Asia &, NEW ZEALAND
Status: offline 		Thanks Red,

Vaseline should be easier to find here.

Another good idea.

Maybe I wont have to experiment so much.

Cheers

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RE: Deans Plugs Too Tight - 8/22/2007 5:18:48 PM   
Bad_Daddy



Posts: 529
Joined: 1/27/2007
From: Tracy, CA, USA
Status: offline 		I have found that Deans connectors can get warped out of shape while soldering the wires to them. The magic way to eliminate that problem is to have the connector inserted into its mate while soldering - AN EMPTY MATING CONNECTOR!
If you have Deans connectors that are fitting really tight now, mate it to a "known good" connector and use your heat gun to re-heat the goofy one, then let it cool while still mated. It has worked for me in the past.

< Message edited by Bad_Daddy -- 8/22/2007 5:56:50 PM >

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RE: Deans Plugs Too Tight - 8/22/2007 5:30:59 PM   
Red Scholefield



Posts: 5033
Joined: 12/8/2001
From: Newberry, FL, USA
Status: offline 		There are some counterfeit Deans coming out of China that are really tight or will hardly mate with a legitimate Deans

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RE: Deans Plugs Too Tight - 8/23/2007 1:52:34 AM   
PlaneHeli


 

Posts: 614
Joined: 2/1/2006
From: Australia & Asia &, NEW ZEALAND
Status: offline 		Bad_Daddy

Thanks.

I suspected that may be the reason one or two are so tight. My soldering skills are not the best (or can I blame it on cheap solder).
I tried to buy flux but no one sells it. Seems the solder already has flux included.

Red

I bought the Deans plugs here in Asia so maybe they are the Made in China ones. I suspect all brands are made in China now, but the known brands may have post production quality control.

Thanks for the ideas.

Off to buy vaseline today. May get some funny looks from the shop assistant, especially when I ask if they have a vaseline that is a good conductor of electricity.

Cheers

< Message edited by PlaneHeli -- 8/23/2007 2:46:00 AM >

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RE: Deans Plugs Too Tight - 8/23/2007 3:47:21 AM   
Hiaboo


 

Posts: 338
Joined: 5/4/2007
From: Rochester, NY, USA
Status: offline 		perhaps graphite powder? they are conductive and an lubricant. Um.. I heard a tip that you can get a small rubber 0 ring and slip 'em over the male plugs, they should be a bit of gap between the plugs that it should be easier to unplug.

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RE: Deans Plugs Too Tight - 8/23/2007 8:55:54 PM   
BarracudaHockey



Posts: 10993
Joined: 7/13/2003
From: Orange Park, FL, USA
Status: offline 		I use the snap ring pliers like Red shows, works like a champ.

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RE: Deans Plugs Too Tight - 8/24/2007 3:32:50 AM   
PlaneHeli


 

Posts: 614
Joined: 2/1/2006
From: Australia & Asia &, NEW ZEALAND
Status: offline 		I have gone with the sandpaper and vaseline suggestions.

Also added double sided tape either side of the plug extended down over part of the wires.

It has made a huge improvement in unplugging the deans.

Time will tell how it holds out.

Thanks for the suggestions.

Cheers.

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Useless Things...Runway behind you, Sky above you, Air in your Tanks, Engine Oil in the Hanger.

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RE: Deans Plugs Too Tight - 8/25/2007 1:22:02 PM   
Flypaper 2



Posts: 4337
Joined: 3/29/2002
From: Kingston, ON, CANADA
Status: offline 		I squeeze the spring with a pair of pliers so it doesn't have quite as much pressure. Put the pliers around the lug and the spring and flatten the spring an appropriate amount that your happy with. If you go to far, put a jewelers screwdriver under the middle of the spring and pinch the end to put some curve back into it. I'd be carefull with the vasaline as it's a non conductor. I'd put it on the spring but not the lug side.

< Message edited by Flypaper 2 -- 8/25/2007 1:28:32 PM >

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RE: Deans Plugs Too Tight - 8/27/2007 12:44:23 AM   
PlaneHeli


 

Posts: 614
Joined: 2/1/2006
From: Australia & Asia &, NEW ZEALAND
Status: offline 		Flypaper 2

Thanks.

I had considered that.

Some female plugs were too tight while others were OK so by pinching the male plugs may have made some too loose. If they were all too tight would do it.

Great improvement over before the mods. Time will tell.

Cheers

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