[RE-wrenches] Battery corrosion issue

[Dana]

My first thought was wheel puller with a very small flat file [jewelers
type] worked around the edges first.

 

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Dana Orzel 

Great Solar Works, Inc -  NABCEP # 051112-136

dana at solarwork.com  - www.solarwork.com 

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From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On
Behalf Of Tump
Sent: Thursday, January 21, 2016 6:41 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] Battery corrosion issue

 

I personally would try to soak the offending post in a solution of baking
soda or some other corrosion remover for a while and then gently tap the
bolt on both sides. Continuing to do this will eventually loosen the
bolt.This IS a thru bolt not something that is threaded. certainly one can
drill it out using the step approach  1/8 " then 3/16 then 1/4 till you  get
to 5/16. Gently tapping or drilling you should find this removal easier then
you thought. Tump

On Jan 20, 2016, at 5:34 PM, Ray Walters wrote:





The EZ out is for unscrewing a threaded connection,  I've spent a bunch of
time with those only to have the EZ out break off in there too.  Then you've
got a real mess of hardened tool steel.

I would first drill several small 1/8" holes in the lead around the
circumference of the bolt.  Then, I think tapping or pressing it out is the
way.   The wheel puller would probably work.  You'll end up with an enlarged
hole that you can either use a bigger bolt, or washers to deal with.   

I agree some of the hardware that comes with cheaper L 16s, is inferior.
I've had plenty of those square heads come off with minimal torque.



R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer, 
Licensed Master Electrician
Solar Design Engineer
303 505-8760

On 1/20/2016 3:04 PM, Roy Rakobitsch wrote:

Yup, id pre-drill and use an ez-out, or use a flaring tool as a small press
and drive it out. 

RoyR

On Jan 20, 2016 3:54 PM, "Kristopher Schmid" <solman at legacysolar.com> wrote:

Greetings,

Do any of you battery gurus have a suggestion for a method of removing a
bolt remnant that is corroded into a flag terminal.  Both sides snapped off
flush with the flag.  I was thinking try to drill it out or maybe a small
gear pulling tool?  I will never again use the non stainless hardware
supplied by the manufacturer...

Picture attached for reference.

Thanks!


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