Question about Weller SP175 12 - 1/2'' Marksman Extra Heavy Duty Soldering Iron

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Tinning tips Hi. What is the best method to tin the tips of these irons(sp175) before their first use? thanks

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Flux the tip, heat the iron, apply solder all over the tip and wipe, while hot, the solder off with fine steel wool.

If the solder is flux core, no need for additional flux

Good Luck

Posted on Feb 09, 2009

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Posted on Jan 02, 2017

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Oct 19, 2016 | Miscellaneous

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Hi im wondering if you can help me out with a problem im facing. What kind of method do i use to put butterfly clasp pins on badges (metal)


Use a tin solder on JB Weld for your application. Make sure the metal is cleaned and prepped or it won't take.

Sep 14, 2014 | Welding Tools

1 Answer

How to wire a speaker jack


Just follow the video instructions.

His soldering isn't great though. For a better result, melt a little solder on to the iron to help with heat transfer. This is called "tinning the iron". Then apply the tinned iron to the joint to get some heat in to it. Give it 5~10 seconds on a large area like the ground connection. The signal pin won't need more than a second or two.

Keeping the iron in place, apply solder to the joint (not the iron) and let it flow. This method will prevent the little bubble of solder forming where the joint isn't yet hot enough to get good adhesion to the metal of the plug.

Jun 04, 2014 | Hosa T51839 - Standard 1/4 Male Connector

1 Answer

Blowing off fan I knocked of 2 wires to power button how do i hock them back up to mother board.


pinpoint of liquid solder after area and tips of wires are cleaned.best to solder wires first called tinning to put solder on tips of wires. direct hook wires to board. clean under fan and cooling fins first.
build a different plug use lots of light a steady hand and silver solder with flux core with a fine clean tip of soldering iron.gotta be quick and dont let solder get on other areas or short circuit anything else.

Oct 26, 2013 | Gateway Computers & Internet

1 Answer

Raccordement fil d'antenne sur circuit il est coupe et je ne sais ou le souder


Step 1:
google translated


antenna wire connection on the circuit is cut and I do not know where the weld

antenna wire connection on the circuit is cut and I do not know where the weld

you might need to solder it
You attach wires to printed circuit boards (PCB) in a process called soldering. You heat the wire and PCB pad, melting the solder wire and allowing it to flow onto the wire and pad. The solder wire used is typically a lead-tin alloy although in some special cases, silver is used. Soldering a wire to a printed circuit board may be part of making, repairing or modifying the board or connecting it to another device.

Clean the pad on the circuit board where the wire will be attached. Gently rub the eraser on the pad until it is clean and shiny. Strip about 1/4 inch of insulation from the wire. Tin the end of the soldering iron by melting a small amount of solder onto the iron tip. Heat the wire end with the soldering iron for a few seconds and briefly touch the solder wire to the bare wire, just long enough to melt the solder, and let it flow into the stranded wires. This is called tinning the wire. Tinning the wire is not necessary with solid or single strand wire. Insert the wire end through the hole in the circuit board pad from the top or component side of the board. Bend the end of the wire slightly to prevent the wire from falling out while soldering but do not let the wire end touch any other component lead or another pad on the circuit board. Apply the soldering iron tip to the wire end and solder pad at the same for a few seconds until the solder used to tin the wire end melts. Apply just enough new solder to make a dome-shaped puddle on the pad that covers the hole and the wire. Remove the iron from the pad but do not move the board for a minute. Cool the new soldered joint and do not move the board until the solder hardens. Clip the wire end off with the wire cutters. The wire is permanently attached to the printed circuit board.

Soldering Guide http://www.kpsec.freeuk.com/solder.htm b> b> b> How to Solder to a Circuit Board: Skill Set (with Video)
http://www.popularmechanics.com/cars/news/4213423

Mar 14, 2013 | Computers & Internet

1 Answer

Iron does not get hot enough melt solder. it used to. can I fix it?


try reshaping the tip to a dull point with a file or grinder. Then heat it up and apply solder onto the bare copper tip coating it completely. you can clean the excess off with a wet sponge. This is called "Tinning" tthe tip.

Good Luck!

Jul 14, 2011 | Weller Welding Tools

1 Answer

We can't keep the tip tinned, what do we need to do?


Clean the end of the tip with a smooth file down to bear metal heat it up and retin the end with fresh solder. Are you using multicore solder with resin flux ? some old solder does not have any flux in it.

Jul 29, 2010 | Weller Marksman Iron 40 Watt SP40L

1 Answer

My bread stuck to the pan and it rose to much.


Remove the container from the breadmaker and use non-stick fish-slice or palette knife to free the sides from the tin. Then tip upside down and shake to dislodge it.

If this fails, remove the bread as best you can and leave the tin to soak in water overnight.

It is best to clean the bake tin by hand as dishwashers remove the non-stick.

Try using packet mixes with a different packet dried yeast. or use less yeast next time.

Feb 08, 2010 | Kitchen Appliances - Others

1 Answer

Can I get replacement batteries for my Norelco 7735X shaver?


I have replaced batteries in several Norelco shavers, typically ending up with better end performance than with the original batteries.

Norelco shavers typically utilize two AA sized NiCad batteries with thin tabs spot welded on each end and the tabs soldered into the circuit board internally.

I have had best success with utilizing Sanyo Eneloop AA batteries, see http://www.google.com/products?q=Sanyo+Eneloop+AA+batteries&hl=en&scoring=p, which are NiMH cells with low self-discharge (i.e. hold their charge for over 6 months) and are free of the memory effects and internal self-shorting problems of NiCad cells.

The key to successfully changing the cells is to leave the original solder tabs on the circuit board and utilize the edge of a single edge razor blade (with great care) rocked back and forth between the metal tab and each of the ends (one at a time) of the original batteries so as to cut the spot weld free from the original batteries while saving the tab.

A single razor blade should do the job, though the blade will now be largely ruined for any further use.

Next carefully flatten the tabs (will be a little deformed by the spot weld break strategy).

Next carefully tin both the tabs and the ends of the new NiMH cells with a small amount of solder.

This tinning is not easy unless you use this strategy: Utilize small drops of "Harris Stay-Clean liquid" soldering flux, a clear (looks like water) zinc chloride liquid flux, e.g. dip a tooth pick into the flux and use just the small droplet of liquid flux which runs off the tooth pick onto the metal. After the flux is where you want the solder, touch a heated soldering iron tip already coated with a tiny amount of rosin core flux for electronic circuit joint soldering to the pre-fluxed area and the metal will easily and rapidly tin with solder.

For the new batteries, use only a tiny droplet of Stay-Clean flux right where you want the solder and touch the costed and heated soldering iron tip to the battery for just 1-2 seconds so as to minimize chances for any damage to the new batteries.

Once happy with the tinning of both the (saved) original batter tabs and the new batteries, hold the new battery in position and briefly touch the soldering iron against the tabs to push it into the battery end and fuse the two areas already tinned with solder.

I does take a little practice to get the above and physical alignments correct. It is helpful, though not mandatory, to use a temperature controlled soldering iron (e.g. set to about 500 F) with a fairly small tip.

Be sure to keep the Harris Stay-Clean flux, even fumes sealed in storage (I usually enclose the Stay-Clean bottle in a clear screw cap larger bottle) because just invisible fumes from this flux on any nearby iron or steel surfaces, over time, will promote rapid rusting. The Stay-Clean is a great product, just be careful with it during handling and storage.

Jan 04, 2010 | Norelco 7735X Electric Shaver

1 Answer

How to change Archos XS202 battery?


Hi !

I found this site which sells batteries for archos xs202 :
http://www.newmp3technology.com/xs200+batteries.html

Then you have to remove the covers (back and front) of your archos. Then melt the tin that retains the battery cables with a soldering iron.
Then melt the tin again to fix the new battery cables to the motherboard and you're all set. I did it this very morning without problems.

Dec 03, 2009 | Archos Gmini XS202 MP3 Player

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