[R-390] THIS REALLY SUCKS!!!!

Wed Nov 6 11:50:43 EST 2013

Hi Glenn,

I have been using the Hakko 808 for a number of years now and is a great 
tool.  My only complaint for P2P is that it takes too long to reheat after 
solder sucking.  I have heard no one else complain about this and wonder if 
my unit is not up to snuff (or maybe I just expect too much).  Any comments 
from users?

Thanks

de Mike
K7PI

----- Original Message ----- 
From: "Glenn Scott" <wa4aos at aol.com>
To: <r-390 at mailman.qth.net>
Sent: Wednesday, November 06, 2013 8:23 AM
Subject: [R-390] THIS REALLY SUCKS!!!!

>
> I want to share some info with the group that I think some will 
> appreciate.
> I owned a computer company in the 80's-90's and we did component level 
> work on everything from Commodore 64's through IBM PC's and clones. We 
> also had contracts to do mini system work on Microdata and Western Dynax 
> systems.
>
>
> Back then I discovered a neat desoldering tool made by Airvac called the 
> PVSG6. It's a hand held device and works perfectly with removing solder 
> from Printed Circuit Boards,  PCP's. I still use those for my industrial 
> micro-controller work.
>
>
> http://www.air-vac-eng.com/vacuumdesoldering.html
>
>
> Unfortunately the head mass of the AirVac tool is insufficient and the Y 
> configuration of the head makes it's utility for Point to Point work very 
> poor.
>
>
> Fast forward to 2012 and I did some more research for a desoldering tool 
> that might be helpful with Point to Point work, P2P, on an IF module in a 
> 390A. I Kept seeing reviews for the Hakko 808 on youtube but all were 
> doing demos for PCB work.
> Looking at the head, I thought it might be helpful in a 390 or A for some 
> of the post, and connectors due to it's sizable tip's thermal mass. The 
> cost was about $200 and I decided to give it a shot. It looks a lot like 
> the old Weller hand solder guns but is about half the weight. I was 
> concerned that it's size might make it clumsy for PCB and P2P work but 
> this has proven to NOT be an issue.
>
>
> To my GREAT delight it does an outstanding job on all 390 and A models as 
> well as the 392's I work on. So far, no one has done a video touting the 
> 808's capability on P2P work. It works far better and far faster than 
> solder wick and I was going through lots of that. No contest with a hand 
> pump..
> Annually, I go through enough wick to pay for the 808 in one year. Not to 
> mention the HUGE savings in my bench time.
>
>
> http://www.youtube.com/watch?v=-gVF-m-4EUc
>
>
>
> When I rebuild an IF module with BB's I clip them out and then I can get 
> to the resistors deep inside for evaluation. I used wick but now the 808 
> cleans all of the post and term-strips quickly. From there a soldering aid 
> tool and needle nose allow for the easy and complete removal of the old 
> lead pieces.
> (I HATE TO SEE WORK WHERE A NEW COMPONENT IS TWISTED ONTO AN OLD LEAD; 
> THIS IS BIG TIME, MICKEY MOUSE)
>
>
> Oh... there is a temp pot in the handle of the 808. I use 75% throttle for 
> P2P and about 25% for PCB stuff. The 808's long narrow head makes it 
> perfect for P2P.
> One exception; The two small post near the front, right side, of the IF 
> module of a 390A MUST be cleaned at no more than ~35% power. If you have 
> reworked a 390A IF module you know g how delicate those post are.
>
>
> Hakko makes a more expensive unit that more the 472 @ $650. This is more 
> of a bench top unit. However, it appears that the length of the tube 
> behind the tip is shorter. I have found the 808's length to be excellent 
> for getting deep into an IF module on a 390A. This is the most challenging 
> part or reworking the electronics of a 390A.
>
>
> The other thing that is helpful for me is to quickly walk the 808 from 
> bench to bench without having to haul the control box. The performance 
> specs between the 808 and 472 are about the same.
> I have yet to be disappointed in the SUCKING POWER of the 808.. I know of 
> one person who is using the 472 and is very pleased with his unit.
>
>
> http://www.ebay.com/itm/Hakko-472D-02-Desolder-Tool-ESD-Safe-110W-w-Control-Card-and-60W-Gun-Style-Iron-/200981806892?pt=LH_DefaultDomain_0&hash=item2ecb72ff2c
>
>
>
>
> There is a Chinese knock off for the 808 on epray for $107-$150, free 
> shipping but I don't know if it's junk or if the consumable parts from the 
> 808 will work with it. Hakko is well known and proven name in the industry 
> and I paid the extra $100 for peace of mind. All of the consumables are 
> available from several on-line tech houses such as tech-tools.
>
>
> http://www.ebay.com/itm/S-993A-110V-90W-Electric-Vacuum-Desoldering-Pump-Solder-Sucker-Gun-e-/251317420880?pt=LH_DefaultDomain_0&hash=item3a83af8350
>
>
> The knock off version of the 472 is reviewed on youtube at the eevblog. 
> BTW, this is an excellent blog for more modern electronics. The reviewer 
> gives the knock off neither a thumbs or down but rather a sideways thumb 
> review. He believes it is cheaply made but works well.
>
>
> http://www.youtube.com/watch?v=Ft50m8UU5WQ
>
>
> If you decide to get one, I would enjoy your feedback.
> 73,
> Glenn WA4AOS
> DSM Labs (dot com)
>
>
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