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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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.

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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!

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Hi i have an old weller soldering iron and it wont light up, do i have to have the 2 slide controls in a certain position


A soldering iron is composed of a heated metal tip and an insulated handle. Heating is often achieved electrically, by passing an electric current (supplied through an electrical cord or battery cables) through the resistive material of a heating element. Another heating method includes combustion of a suitable gas, which can either be delivered through a tank mounted on the iron (flameless), or through an external flame.

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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

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It is not melting the solder. do you have to use flux, like sweating copper? If so, can I use the same kind of flux for this application?


No flux, just make sure the element is heating up enough.
Also make sure the tip is clean. Let it heat up and dab on a wet sponge. You can also lightly file the tip to clean off oxide build up.

If you do this last step. It is critical you Re-tin the tip.
Of course the tip must get hot enough to melt the solder.
If it still does not, I would suspect the batteries.
Good luck!
Hope this helps!

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1 Answer

Iron is not heating up hot enough stained glass soldering iron:


hi friend,
check this out
Consider the wattage of the soldering iron. A good soldering iron will have wattage of 80 to 150. A wattage of lower than 80 is not ideal for stained glass. You need a soldering iron that will melt the solder fast enough for your project. Consider the type of temperature control you want. Some irons will have a temperature control built in the tip. When the temperature drops, it will turn on and when the temperature is reached, it will turn off. Other soldering irons have a built-in rheostat. You control the temperature by turning the dial up or down. A separate rheostat can be purchased to plug your soldiering iron into. Rheostats are highly recommended. This lets you match your temperature to your soldering style and allow you to do decorative effects.
  • Step 2 Consider the heating element. There are two types of elements, ceramic or wire-wrapped. Ceramic core irons maintain heat more efficiently than wound wire heaters. In a ceramic core, the heater core extends into the tip for faster heat transfer. This will keep the tip hot for a longer period so you can work quickly and faster. Ceramic irons maintain their temperature longer and heat up within 30 to 60 seconds.
  • Step 3 Consider the weight of the soldering iron. You want a soldering iron that is lightweight and balanced. You will have less fatigue when using a lightweight soldering iron at long stretches of time. Check to see if it fits your hand comfortably. Check to see if it has a good rubber cushion for your hand.
  • Step 4 Check for the ease of changing tips on your soldering iron. When soldering stained glass, you want to match your tip to the technique you want to use. There are a variety of tips on the market for soldering irons, and you want to be able to change them easily.
  • Step 5 Check the soldering iron to see if it has a heavy-duty cord and a three-prong plug. You want a grounded three-prong plug to prevent the possibility of shock.
  • hope this helps u
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    regards
    sivaranjini

    Nov 25, 2009 | Weller Soldering Irons

    1 Answer

    I mistakenly left my spg 80L plugged in over night. I now find it difficult to melt the solder I've been using and switched to one with a lower melting point. Did I damage the iron by leaving it plugged in...


    What probably happened is that the tip oxidized (typically made of copper) and the oxidation layer is a very poor conductor. You should be able to go on Google or Amazon and find a new tip for your iron. They cost about $5 and it should be good as new.

    I would also recommend tinning your tip everytime you are done soldering. All you have to do is put enough solder on the tip to cover it (usually only about 1/2") and then turn off the iron and let the solder dry. This will help prolong the life of the new tip.

    Sep 24, 2009 | Weller Soldering Irons

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    Soldering iron troubleshooting


    Bits: It's useful to have a small selection of manufacturer's bits (soldering iron tips) available with different diameters or shapes, which can be changed depending on the type of work in hand. You'll probably find that you become accustomed to, and work best with, a particular shape of tip. Often, tips are iron-coated to preserve their life, or they may be bright-plated instead. Copper tips are seldom seen these days.

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