A quick look inside of a Weller soldering gun

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Thevinylking69

Thevinylking69

Күн бұрын

Пікірлер: 52
@walterwinnipeg7350
@walterwinnipeg7350 4 жыл бұрын
Regarding the material used for the secondary "tube": You suggested it might be made of nickel or "chrome", but I am pretty sure it is copper with nickel or chrome plating. The combination of the "tubing" and the thinner soldering "tip" represents a one-turn secondary, through which high current will flow when you pull the trigger. That high current will heat up all of the secondary, but the heat will be distributed based on the resistance of different sections of the "loop". You want the highest temperature at the soldering tip, so the tip has the highest resistance (narrow cross-section) relative to the rest of the loop. You would want the tubing that passes through the core to be very low resistance, so making if from copper tubing is the best choice. Nickel or other material would be higher resistance, even with the larger dimensions.
@garbo8962
@garbo8962 Жыл бұрын
My dad purchased the 100/140 watt Weller gun for me back in 1967. A!ways keep a spare #222 screw in pre focused light bulb & tips. In school we used think it was #12 solid guage wire. First time that I heard they have a 1 minute on 4 minute off duty cycle. Mine came with a red plastic case and foam Insides.
@leguirerj
@leguirerj 3 жыл бұрын
Glad I saw this video. I had a broken wire from the primary winding to the switch. Couldn't tell which point on the switch it should be connected to. From your video, it looks like it was connected to the left connection which has two wires on it.
@a-listercrowley2737
@a-listercrowley2737 2 жыл бұрын
Mine looks different also? Is it safe to plug in?
@hestheMaster
@hestheMaster 5 жыл бұрын
I have my grandfathers 8200N and it works great still. The 1968 Allied Electronics catalogue priced it at a whopping $5.20 . The mid-range D-440 was $7.45 and the big D-550 was $8.25. It had a choice of either 240 or 325 watts. No wonder Ron Soyland (Glasslinger) has one!
@gianfrancodilorenzo2955
@gianfrancodilorenzo2955 3 жыл бұрын
I paid 2 euros for a genuine Weller d550 like new in a fly market. Is for 110Vac but I own a transformer, same source
@Txdcblues
@Txdcblues 3 жыл бұрын
I had one of these that I hadn’t used in over a year and when I used it again it immediately sounded like an arc furnace, started smoking and eventually tripped the breaker!
@amazoidal
@amazoidal 2 жыл бұрын
I have an even older Weller that has a screw-in bulb.
@Ni5ei
@Ni5ei 2 ай бұрын
Can anyone explain why none of the 220-240V models have the dual wattage option? It must have something to do with the different voltages. I have a very old Weller 8250C which is exactly the same as the 8250A (120V), which is now called the D550. These US models have dual wattage but mine doesn't. When restoring it I noticed it even has the same double click switch but they've made it so when you turn the trigger upside down in the switch housing, it only single clicks. The switch also has only 1 wire going out to the transformer. In the dual watt version there is a second wire going to the transformer, but how is it wired?
@herberar
@herberar 5 жыл бұрын
Very interesting ! I' m from argentina, and here, the brand is " Vesubio" I supposse it must be licenced because it is exactly the same. Mine ( a big one from the late 60's) does not heat well . One of the bulbs is missing . Also I'd like to know wich of the two positions of the switch is the high one. Thanks a lot, and I love jazz as well! Cheers!
@dane1234abc1
@dane1234abc1 4 жыл бұрын
My Weller soldering gun has a design feature that drives me nuts: For the higher power wattage the red trigger is depressed only half way; depressing the trigger button all the way gives the lower wattage operation. This is backwards as far as I am concerned. After seeing your video, looks like swapping the twp secondary wires would fix things.
@fomocowboy
@fomocowboy 4 жыл бұрын
I have an old 8200, and I'm trying to figure out which is low power and which is high power. Everything I read says the halfway point is high power, and all the way is low power, which I agree with you, seems backwards. However, it's hard to tell but it seems the bulb is just a touch dimmer with the trigger pulled all the way.... so who knows.... I'm gonna have to get creative to figure out for sure which position is high on mine...
@dane1234abc1
@dane1234abc1 4 жыл бұрын
FoMoCowboy I used a digital wattmeter to confirm that half trigger is the highest wattage; full trigger is the lower wattage.
@RickSanchez-fx3lt
@RickSanchez-fx3lt 3 жыл бұрын
Just switch it if possible
@dane1234abc1
@dane1234abc1 3 жыл бұрын
@@RickSanchez-fx3lt First thing I looked into, but the way soldering gun is hard wired would make it difficult to swap the wires, too likely to destroy switch, so bummer.
@jackmilne9764
@jackmilne9764 4 жыл бұрын
is the bulb just so you can see or an essential part?. Bored in the UK in lockdown and thought I'd try and fix it. Looks like I've filled the bulb holder in with body filler at some point but I'm sure it's been used loads since.
@gianfrancodilorenzo2955
@gianfrancodilorenzo2955 3 жыл бұрын
Is just for seeing better (not much to be sincere)
@jackmilne9764
@jackmilne9764 3 жыл бұрын
@@gianfrancodilorenzo2955 haha thanks I though so!
@carlosarango7210
@carlosarango7210 Жыл бұрын
What is the AC voltage in the secondary with the tip removed? No short circuit!
@renzdeleon7630
@renzdeleon7630 4 жыл бұрын
hi can you help me i just plug mine in 220 v accidentaly now mine are not working , i don't know how to fix it is there any fuse that i can replace ?
@gianfrancodilorenzo2955
@gianfrancodilorenzo2955 3 жыл бұрын
You must rewire the primary, a task, I gather, beyond your knowledge of electronics
@TheJTcreate
@TheJTcreate 4 ай бұрын
Was there any burning smell or heat or a pop in the gun? If you didn’t kill the transformer primary winding, you may have damage trigger switch. I’d open it put an ohm meter on the primary coil. measure the ohms. I’d also test for continuity through the switch.
@Muslim_011
@Muslim_011 3 жыл бұрын
It have 700 turn in the primary I had the same one that was damaged when I left it operating long time
@rosi6144
@rosi6144 2 жыл бұрын
Nice review. I want to buy the Weller D550PK solder gun, but duty cycle is only 1 minute work and 4 minutes rest. I find it too low. Do the guns you have, have that same duty cycle. Can i buy the D550Pk? Hope to hear from you soon. Many thanks in advance
@quangle-vv4zf
@quangle-vv4zf Жыл бұрын
what is the voltage rating for the wedge light bulb ?
@PeterProblems
@PeterProblems 24 күн бұрын
Damn so I guess I have a weller from the 60s or older she clicks and the skrew in bulbs don't get hot tho idk
@larrygorvin7561
@larrygorvin7561 Жыл бұрын
Where can i get a new switch for this model?
@6lr6ak6
@6lr6ak6 Жыл бұрын
My Weller is like these but the model number is 9200ud are you familiar with this?
@seifinavid6798
@seifinavid6798 4 жыл бұрын
hi how can i re wire winding weller soldering
@ludwig6332
@ludwig6332 4 ай бұрын
My weller isnt gettin ghot, lookks like this one, no wires loose, the Ohms show .015 on coil. Can yiou describe how to check properly? I see three wires coming our of windings. Two fo them go to same side of switch.
@gujayu-sat3097
@gujayu-sat3097 Жыл бұрын
hello. what is the voltage on the bulb 12v or 220v. thank you
@cam909ron
@cam909ron 5 жыл бұрын
the red wire that is connected to butt where does that connect to
@joew1865
@joew1865 2 жыл бұрын
I'll bite... How do you make your own tips for a weller soldering gun? And, of course, what do you make them out of?
@Thevinylking69
@Thevinylking69 2 жыл бұрын
I made a video describing the entire process, it is on my channel.
@JamNew91
@JamNew91 4 ай бұрын
Okay so I'm curious about something what is it that could be wrong that is causing mine to shock the shit out of me
@llorentebalane2685
@llorentebalane2685 5 жыл бұрын
Can you give me the schematic diagram for that soldering gun? Thanks
@gianfrancodilorenzo2955
@gianfrancodilorenzo2955 3 жыл бұрын
Is just a transformer. The momentary switch is in the primary
@MWest-ry9gw
@MWest-ry9gw Жыл бұрын
@SH-th4wy
@SH-th4wy 4 жыл бұрын
Very useful. Thanks.
@techtinkerin
@techtinkerin 2 жыл бұрын
I bought a Chinese one off eBay, it lasted about 2 minutes before becoming landfill 😄❤️👍
@carlosarango7210
@carlosarango7210 Жыл бұрын
Mine behaved about the same, I opened it and the metalic plates of the transformer cored were not where they should be, I rearranged them and with some crazy glue it came back to life.
@jafarjam8420
@jafarjam8420 Жыл бұрын
سلام لطفا من را راهنمایی کنید . سیم پیچی هویه من سوخته میخوام سیم پیچی کنم نمیدونم چند دور باید سیم پیچی کنم ممنون میشم کمکم بکنید
@فخريالجبوري-ح5ظ
@فخريالجبوري-ح5ظ 4 жыл бұрын
How many turns in primary
@MrVegasTube
@MrVegasTube Жыл бұрын
This is a good video.
@josemoreno5596
@josemoreno5596 2 жыл бұрын
Existen en 2022 todavia o ya no
@juanmanuelguerrero4924
@juanmanuelguerrero4924 2 жыл бұрын
Si..sacaron un modelo nuevo con leds color roja
@jafarjam8420
@jafarjam8420 4 жыл бұрын
سلام به من لطفا طرز سیم پیچی همین سولدرینگ ویلر ۸۲۰۰ رو میشه آموزش بدین که چند دور سیم باید بپیچم ؟
@aboassamAno
@aboassamAno 4 жыл бұрын
نريد ترجمه الى العربيه وشكرا
@Popeyes66
@Popeyes66 Жыл бұрын
That noise,aaarghh
@Egzoset
@Egzoset Жыл бұрын
I'd bet individuals with bad earing actually appreciate the feedback.
@raulroldan9046
@raulroldan9046 4 жыл бұрын
Bobinar vesubio
@gianfrancodilorenzo2955
@gianfrancodilorenzo2955 3 жыл бұрын
Don't waste your time after a copycat
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