Technical, Techniques, Hints, and Tips > Modelling tools

Spiralux fretsaw replacement parts

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Andy M:
Hi, I have a spiralux fretsaw which overheated during a long wood cutting session. It blew its 3amp fuse, I had a look and couldnt find anything obvious. I blew it all out with airline and tried another 3a fuse, which blew instantly when I switched it on. I tried a 5a, same result so I tried a 13a, sparks from inside the coil unit this time and blew the fuse.
Does anyone know where I could get it repaired or a replacement coil unit?
I am missing my little saw, so I would like to get it fixed if possible.


Andy M:
Forgot to add pictures.

SteamboatPhil:
A great little saw, couple of things..3 amp fuses long since against regs in the the uk... next take the bottom plate off the machine, my suspicion is the whole bottom end is jammed with fine wood dust along with the motor brushes, quick blow out and spray the motor bushes with electrical cleaner (or WD 40)...go on give it a go  :-)) :-))

RST:
5A fuses "banned" rather than 3A? Not that I knew before googling out of pure curiosity.

Andy M:
I blew it all out with an airline, mainly to cool it down, before I tried new fuse, there was a lot of dust and small bits of ply, balsa and some depron dust too, I knew thats what had caused the overheating. I was surprised by it not having any form of thermal protection. I have opened up the plastic shroud a bit and can see the lacquer has heated up. I think I can see where the short happened but there are lots of areas that look like they could short too.
Dont really see much in the way of options apart from replacing the whole electromagnet. It is pretty old and I cant find any spares for it, or even a number for the company, possibly been bought over or something.

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