Re: Hakko FR-301
By: Dr. What to All on Mon May 11 2020 09:52 am
> So I was finally able to play with my Hakko FR-301 desoldering tool.
>
> Overall, it was a breeze to use and I'll be using this for many future proje
> (like the replacement of my Tandy 1400LT battery) soon.
>
> The solder "tip" has a hole in it. You put the tip on the solder point so th
> the leg is inside the hole. You also want the tip slightly offset so that i
> heating the leg - not the pad as much.
>
> I usually move the tip to the side a bit to tell me if the solder has melted
> then I press the vacuum button and I now have a clean solder point.
>
> Of course, it's not magically perfect.
> Sometimes you need to add some extra solder to get a good seal on the vacuum
> And it doesn't suck the solder all the way to the other side of the board.
> the chips do need a bit of coaxing to get off because of the residual solder
> the other side of the hole.
>
> But I was able to desolder 3 chips (2 memory chips and a 80C85 CPU) in a ver
> short time with no damage to the board or the chips.
>
>
> ... Me, indecisive? I don't think I am, do you?
Working with a bulb or a spring loaded sucker functions the same way, except
you need a free had to do it. Having to touch up solder to make it flow is
common. When I worked at ZDS I used to have a nice Weller station
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