A Broken Fan Replacement On A Tiny Welding Machine. Model: Hugong
This welding machine belongs to my brother next door. He is the one who usually tests the machines for me after the repair. It is his machine that needed service at this time.
The machine is functional but the fan inside broke.
You cannot do welding especially in a hot weather if the fan is broken or not providing enough cooling.
It is a very tiny welding machine but it is a powerful one and if you look at the fan it is about 4CM wide, 8×8 sizes and the amp rate on it is .45. These fans are very hard to find but I managed to get the same size but bigger amp ratings.
The fan runs on 24 DC volts and the amp rate as seen in the photo is 0.60 which a lot stronger than the original one and from experience it works just fine because I tried the same fan on the same brand welding machine and it was working like a charm.
My brother explained that his worker was welding and the machine somehow fell and a nail went through the fan vent and he started to hear a tearing noise. If you look closely to the fan you could see where the nail was hitting.
One of the fins of the fan broke and the machine started to vibrate. If you look closely where the arrow is, that is the broken fin that was glued back with super glue for while till I managed to get a replacement fan for this machine.
That is the final installation before connecting the main power to it. There are three wires connected to this fan but only red and black are soldered to the circuit board.
I put everything back and as always my brother tested it out and as expected, it worked like a charm and to that I could say
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 A Dead LCD Projector Was Brought Back To Life