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70 Posts
Discussion Starter · #1 ·
Probably I'm just slow, but I made and interesting discovery yesterday while
working on the battery terminal corrosion on the Datsun KingCab. I have
Trojan T-105's, and wondered why some positive terminals had a lot more
corrosion than others. Then I noticed that the caps on the cells have vent
holes only on one side, and I had an eppifany - if the vent holes next to
each terminal were turned toward the terminal, they would spray acid mist
directly onto the connection! Has anyone else noticed this???

Joseph H. Strubhar

Web: www.gremcoinc.com

E-mail: [email protected]

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70 Posts
Discussion Starter · #2 ·
Hello Joe,

I use to have these type of Trojans battery that did the same thing after 8
years of usage. So when I replace the batteries, I coated new battery
clamps and the battery post except for the battery clamp contact area with
that black and red tool handle rubber dip stuff. The directions on this
compound says it acid proof. Did not coat the battery clamp bolts, but coat
the space between the battery clamps bolt holes.

I also install the red and black anti-corrosion felt rings below the battery
clamp and the post pad. Coat all the expose lead terminal down to the
battery top.

I did this type of anti-corrosion installation on Sept 4, 2009 and do not
have and corrosion at all. While the charger is on, I do not read any
conductance from any of the battery post to the battery tops which I did
with the old batteries.

Roland




----- Original Message -----
From: "joe" <[email protected]>
To: "Electric Vehicle Discussion List" <[email protected]>
Sent: Tuesday, March 08, 2011 6:56 AM
Subject: [EVDL] Corrosion on lead-acid battery terminals


> Probably I'm just slow, but I made and interesting discovery yesterday
> while
> working on the battery terminal corrosion on the Datsun KingCab. I have
> Trojan T-105's, and wondered why some positive terminals had a lot more
> corrosion than others. Then I noticed that the caps on the cells have vent
> holes only on one side, and I had an eppifany - if the vent holes next to
> each terminal were turned toward the terminal, they would spray acid mist
> directly onto the connection! Has anyone else noticed this???
>
> Joseph H. Strubhar
>
> Web: www.gremcoinc.com
>
> E-mail: [email protected]
>
> _______________________________________________
> | REPLYING: address your message to [email protected] only.
> | Multiple-address or CCed messages may be rejected.
> | UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
> | OTHER HELP: http://evdl.org/help/
> | OPTIONS: http://lists.sjsu.edu/mailman/listinfo/ev
>

_______________________________________________
| REPLYING: address your message to [email protected] only.
| Multiple-address or CCed messages may be rejected.
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70 Posts
Discussion Starter · #3 ·
What I did, Roland, this time, beside turning the vent holes away from the
terminals - coated the terminals and inside of the clamps with KoprKote, put
the anit-corrosion washers on the terminals, then coat over top the clamps,
terminals and bolts with Scotchkote, a liquid rubber coating. We'll see how
that goes.

Joseph H. Strubhar

Web: www.gremcoinc.com

E-mail: [email protected]

----- Original Message -----
From: "Roland Wiench" <[email protected]>
To: "Electric Vehicle Discussion List" <[email protected]>
Sent: Wednesday, March 09, 2011 12:42 PM
Subject: Re: [EVDL] Corrosion on lead-acid battery terminals


> Hello Joe,
>
> I use to have these type of Trojans battery that did the same thing after
> 8 years of usage. So when I replace the batteries, I coated new battery
> clamps and the battery post except for the battery clamp contact area with
> that black and red tool handle rubber dip stuff. The directions on this
> compound says it acid proof. Did not coat the battery clamp bolts, but
> coat the space between the battery clamps bolt holes.
>
> I also install the red and black anti-corrosion felt rings below the
> battery clamp and the post pad. Coat all the expose lead terminal down to
> the battery top.
>
> I did this type of anti-corrosion installation on Sept 4, 2009 and do not
> have and corrosion at all. While the charger is on, I do not read any
> conductance from any of the battery post to the battery tops which I did
> with the old batteries.
>
> Roland
>
>
>
>
> ----- Original Message -----
> From: "joe" <[email protected]>
> To: "Electric Vehicle Discussion List" <[email protected]>
> Sent: Tuesday, March 08, 2011 6:56 AM
> Subject: [EVDL] Corrosion on lead-acid battery terminals
>
>
>> Probably I'm just slow, but I made and interesting discovery yesterday
>> while
>> working on the battery terminal corrosion on the Datsun KingCab. I have
>> Trojan T-105's, and wondered why some positive terminals had a lot more
>> corrosion than others. Then I noticed that the caps on the cells have
>> vent
>> holes only on one side, and I had an eppifany - if the vent holes next to
>> each terminal were turned toward the terminal, they would spray acid mist
>> directly onto the connection! Has anyone else noticed this???
>>
>> Joseph H. Strubhar
>>
>> Web: www.gremcoinc.com
>>
>> E-mail: [email protected]
>>
>> _______________________________________________
>> | REPLYING: address your message to [email protected] only.
>> | Multiple-address or CCed messages may be rejected.
>> | UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
>> | OTHER HELP: http://evdl.org/help/
>> | OPTIONS: http://lists.sjsu.edu/mailman/listinfo/ev
>>
>
> _______________________________________________
> | REPLYING: address your message to [email protected] only.
> | Multiple-address or CCed messages may be rejected.
> | UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
> | OTHER HELP: http://evdl.org/help/
> | OPTIONS: http://lists.sjsu.edu/mailman/listinfo/ev

_______________________________________________
| REPLYING: address your message to [email protected] only.
| Multiple-address or CCed messages may be rejected.
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Registered
Joined
·
70 Posts
Discussion Starter · #4 ·
In the marine industry, we used the paint on electrical tape. You can ev=
en use =

multiple layers if you think it has the potential for impact or extreme =

environmental hazard. Works great! And, a quick light slice with an exacto =
knife =

and it peels off easier than anything else I have ever used.

RW




________________________________
From: joe <[email protected]>
To: Electric Vehicle Discussion List <[email protected]>
Sent: Wed, March 9, 2011 6:31:22 PM
Subject: Re: [EVDL] Corrosion on lead-acid battery terminals

What I did, Roland, this time, beside turning the vent holes away from the =

terminals - coated the terminals and inside of the clamps with KoprKote, pu=
t =

the anit-corrosion washers on the terminals, then coat over top the clamps, =

terminals and bolts with Scotchkote, a liquid rubber coating. We'll see how =

that goes.

Joseph H. Strubhar

Web: www.gremcoinc.com

E-mail: [email protected]

----- Original Message ----- =

From: "Roland Wiench" <[email protected]>
To: "Electric Vehicle Discussion List" <[email protected]>
Sent: Wednesday, March 09, 2011 12:42 PM
Subject: Re: [EVDL] Corrosion on lead-acid battery terminals


> Hello Joe,
>
> I use to have these type of Trojans battery that did the same thing after =

> 8 years of usage. So when I replace the batteries, I coated new batter=
y =

> clamps and the battery post except for the battery clamp contact area wit=
h =

> that black and red tool handle rubber dip stuff. The directions on this =

> compound says it acid proof. Did not coat the battery clamp bolts, but =

> coat the space between the battery clamps bolt holes.
>
> I also install the red and black anti-corrosion felt rings below the =

> battery clamp and the post pad. Coat all the expose lead terminal down=
to =

> the battery top.
>
> I did this type of anti-corrosion installation on Sept 4, 2009 and do not =

> have and corrosion at all. While the charger is on, I do not read any =

> conductance from any of the battery post to the battery tops which I did =

> with the old batteries.
>
> Roland
>
>
>
>
> ----- Original Message ----- =

> From: "joe" <[email protected]>
> To: "Electric Vehicle Discussion List" <[email protected]>
> Sent: Tuesday, March 08, 2011 6:56 AM
> Subject: [EVDL] Corrosion on lead-acid battery terminals
>
>
>> Probably I'm just slow, but I made and interesting discovery yesterday =

>> while
>> working on the battery terminal corrosion on the Datsun KingCab. I have
>> Trojan T-105's, and wondered why some positive terminals had a lot more
>> corrosion than others. Then I noticed that the caps on the cells have =

>> vent
>> holes only on one side, and I had an eppifany - if the vent holes next to
>> each terminal were turned toward the terminal, they would spray acid mist
>> directly onto the connection! Has anyone else noticed this???
>>
>> Joseph H. Strubhar
>>
>> Web: www.gremcoinc.com
>>
>> E-mail: [email protected]
>>
>> _______________________________________________
>> | REPLYING: address your message to [email protected] only.
>> | Multiple-address or CCed messages may be rejected.
>> | UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
>> | OTHER HELP: http://evdl.org/help/
>> | OPTIONS: http://lists.sjsu.edu/mailman/listinfo/ev
>>
>
> _______________________________________________
> | REPLYING: address your message to [email protected] only.
> | Multiple-address or CCed messages may be rejected.
> | UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
> | OTHER HELP: http://evdl.org/help/
> | OPTIONS: http://lists.sjsu.edu/mailman/listinfo/ev =


_______________________________________________
| REPLYING: address your message to [email protected] only.
| Multiple-address or CCed messages may be rejected.
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=

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