eddysmiddy
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where can i get a replacement rectifier for a cebora 880
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gaz1
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Inside a vintage Cebora Pocket Mig 880
After discovering a Stone age hobby MIG, https://www.mig-welding.co.uk/forum/threads/vintage-migmate-reunited.101179/ I think I've now found the definitive Paleolithic version: Dissection was revealing. Here we have a huge drive motor with a single wire groove on the spindle, no roller; you...
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its an old one it will be service the parts and replace with what maybe the best
eddysmiddy
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this machine had been left in a wet hut for years powered up ok so decided to clean all contacts ,took off the rctifier and all the ceramic spacers shattered ,i need to know what to buy to replace the rectifier ,thanks for answering i am in scotland and am no electrician
gaz1
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for your info
help please NEED CEBORA 880 MANUAL
Hello, i have cebora 880 welder , but its broken, have one piece burned , near diodes, but i dont have wiring diagrams , and i dont know , what pieces burned! Have anybody the manual for this ? Thanks a lot Rubens
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The Pocket MIG is listed on Cebora's website for out-of-production machines as Article 880:
The attached circuit diagram shows that the secondary of the transformer on this 100 Amp welder is centre-tapped, so it only needs two effective diodes in the rectifier to get full-wave rectification.
The attached circuit diagram shows that the secondary of the transformer on this 100 Amp welder is centre-tapped, so it only needs two effective diodes in the rectifier to get full-wave rectification.
I have not found a direct replacement two-diode 100 A rectifier of the same type as the original ( finned aluminium plates with press-fit diodes ). This one from Tec-Arc in York is a four-diode bridge rectifier:
You need one with two diodes, to work with a centre-tapped secondary; you could try asking them if they have a suitable one.
Alternatively, you could use the aluminium plates from the broken rectifier as heatsinks to mount two diodes, either modern "diode modules" :
or traditional stud diodes:
You need one with two diodes, to work with a centre-tapped secondary; you could try asking them if they have a suitable one.
Alternatively, you could use the aluminium plates from the broken rectifier as heatsinks to mount two diodes, either modern "diode modules" :
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Mig Welder two Semikron SKN130/02 anode diodes | eBay
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