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21-12-2024 23:15:24  #1


replacement mainspring for Hermes 3000

Hi all,
I have acquired a 1963 H3K with a busted mainspring. Have never opened a Hermes spring to repair it--only Olivetti. Would like to avoid doing so if possible. Anyone know if another machine's mainspring might fit? I have a little boneyard, but no Hermes parts. Looks like 4 cm diameter. If not, any guidance on opening it up? Thanks as always for your expertise. LD
 

 

22-12-2024 08:10:49  #2


Re: replacement mainspring for Hermes 3000

LD,

You might drop this eBay seller a message to see what he might have.  Seems like he has parted out a H3K.  He is even in NC State.
.https://www.ebay.com/sch/i.html?item=116279834825&rt=nc&_trksid=p4429486.m3561.l170197&_ssn=kcheek71

 

22-12-2024 17:26:24  #3


Re: replacement mainspring for Hermes 3000

Thanks for tip--I shall!

     Thread Starter
 

23-12-2024 12:24:55  #4


Re: replacement mainspring for Hermes 3000

I parted-out a 3rd. Gen H3K made in France to get my primary machine back to 100%.

The spare main-spring I have in my stash is about 1/4" smaller in diameter and the center whole that the through-bolt runs is smaller too...compared to my 1st. Gen H3K. 

The mounting hardware for these main-springs is not the same from 3rd. Gen to 1st. Gen, either.
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