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A Welding Machine With Broken Fan And Damaged Capacitor Repaired

By on September 28, 2024
welding machine repair

 

 

 

 

 

 

A welding technician called me a about a damaged welding machine; the machine was dropped and when powering up the machine, it does not weld the way it should and the fan is has a rattling noise.

how to fix welding machine

You can see the damaged metal side of this welding machine

but the customer wanted the inside component to be checked and repaired for he did not care much about the outside appearance.

repair welding machine fan

The customer already taken the fan out to be replaced; it seems like he tried to find the right fan for it but did not succeed in his mission.

replace broken fan

The fan coil was fine, the fins were damaged as seen and that is why the customer said it was rattling when the fan was spinning.

how to fix welding machine

There was another issue with this welding machine; a bent capacitor on the power board that the customer did not worry about replacing assuming it was fine; it was not fine and it had to be replaced.

broken welder repair

Few screws off and I was able to get the power board.

As seen, the capacitor was bent and when tested with ESR meter it was fine but…take a look.

capacitor spoilt

The negative side of the capacitor was damaged and was barely attached to the power board of the machine and that is more than enough reason to replace it with a good one.

how to test dc output voltage of welding machine

Both the capacitor and the fan were replaced (sorry forgot to take a photo of that) but when powering on the machine, the output voltage was fine and the fan was cooling with no rattling sound coming out.



Of course I had to take it next door for my brother to test and confirm that it was working fine and when approved, I called the customer for pick up.

Mission Accomplished.

waleed rishmawi

This article was prepared for you by Waleed Rishmawi, one of our ‘Master Authors’ and currently working in the Bethlehem area of Palestine repairing electrical and electronic equipment.

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Note: You can check his previous article on Power Supply With Ticking Sound On The Relay Repaired And Maintained

 

Likes(37)Dislikes(0)

14 Comments

  1. Tayo

    September 28, 2024 at 12:17 pm

    Excellent fix Waleed.

    Likes(1)Dislikes(0)
    • Waleed Rishmawi

      September 28, 2024 at 4:10 pm

      Tayo: thanks man. have a blessed day

      Likes(1)Dislikes(0)
  2. Parasuraman S

    September 28, 2024 at 1:22 pm

    You are living in such a lovely place that you can have your repaired welding machines tested literally! Many thanks for your article, dear friend!

    Likes(2)Dislikes(0)
    • Waleed Rishmawi

      September 28, 2024 at 4:12 pm

      Parasuraman: yes indeed I am so blessed to have my brother around for such testing and he also gives me his opinion as a welder if the machine is up to its specs of not... I also maintain his welding machine as well. you are most welcome dear friend. have a blessed day

      Likes(2)Dislikes(0)
  3. Albert van Bemmelen

    September 28, 2024 at 2:50 pm

    Although the customer didn't bother about the looks and condition of his welding machine I may hope that he appreciated the replacement work you did for his invaluable device.

    Likes(2)Dislikes(0)
    • Waleed Rishmawi

      September 28, 2024 at 4:14 pm

      Albert: yes he did actually and he is recommending me to his fellow welders as well which an excellent publicity in my area. have a blessed day

      Likes(2)Dislikes(1)
      • Albert van Bemmelen

        September 28, 2024 at 7:00 pm

        That dislike button I tried to miss but instead accidentally pressed! I just wanted to press the like your answer button but instead couldn't correct it afterwards. Sorry about that which happens easily on a laptop with a mousepad. So not to worry Waleed!(;)

        Likes(2)Dislikes(0)
        • Waleed Rishmawi

          October 1, 2024 at 1:56 am

          Albert: no worries. Have a blessed day

          Likes(0)Dislikes(0)
      • Imoudu.O

        September 30, 2024 at 5:34 am

        Good job friend.

        Likes(1)Dislikes(0)
        • Waleed Rishmawi

          October 1, 2024 at 1:57 am

          Imoudu: thanks man. Have a blessed day

          Likes(0)Dislikes(0)
  4. Yogesh Panchal

    September 28, 2024 at 3:23 pm

    Good FIX! Waleed, you are becomes MD of Welding Machines.

    Likes(1)Dislikes(0)
  5. Waleed Rishmawi

    September 28, 2024 at 4:16 pm

    Yogesh: thanks man. I appreciate your nice sweet comments. I do my best to learn everyday with many different repair situations and even with failures to repair sometimes it is a time well spent and experience to be gained. have a blessed day

    Likes(3)Dislikes(0)
  6. Mark J

    September 29, 2024 at 3:26 am

    Waleed you seem to fix a lot of Welding Machines. Good job on the repair.

    Likes(1)Dislikes(0)
  7. Waleed Rishmawi

    September 30, 2024 at 1:41 pm

    Mark: yes I do and I am well known in my area for this kind of field repair. thanks man and Have a blessed day

    Likes(1)Dislikes(0)

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