crwdns2933423:0crwdne2933423:0
crwdns2918538:0crwdne2918538:0

crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

I think the soldering gun you picked will be to narrow an area and far to hot to do the job well.  I believe you chances or success on this repair would be much greater with a standard heat gun:

[product|IF145-031]

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open