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geekhack Community => Keyboards => Topic started by: Phormio on Thu, 15 February 2018, 11:17:31

Title: IBM Model M replacement spring assemblies
Post by: Phormio on Thu, 15 February 2018, 11:17:31
I didn't realize how worn out the springs were on my first IBM Model M keyboard (from 1989, model no. 1391401) until I bought my second (from 1994, model no. 1397599).  I ordered buckling spring assemblies from clickykeyboards.com (they told me the assemblies were original, unused assemblies from electronically defective keyboards).  However, USPS lost these and clickykeyboards.com won't send another batch unless their package is marked undeliverable or is returned to them.  Should I buy buckling spring assemblies from Unicomp?  Are they the same as the original assemblies?
Title: Re: IBM Model M replacement spring assemblies
Post by: jdcarpe on Thu, 15 February 2018, 11:53:23
I didn't realize how worn out the springs were on my first IBM Model M keyboard (from 1989, model no. 1391401) until I bought my second (from 1994, model no. 1397599).  I ordered buckling spring assemblies from clickykeyboards.com (they told me the assemblies were original, unused assemblies from electronically defective keyboards).  However, USPS lost these and clickykeyboards.com won't send another batch unless their package is marked undeliverable or is returned to them.  Should I buy buckling spring assemblies from Unicomp?  Are they the same as the original assemblies?

Yes, the ones from Unicomp are the same as the original spring assemblies. I've never had a problem with getting anything from Unicomp, and it's all the same as they use in thier new Model M's.
Title: Re: IBM Model M replacement spring assemblies
Post by: MGMorden on Thu, 15 February 2018, 14:26:38
Yep - Unicomp is a god-send for keeping old Model M's working.  All their parts are OEM and work fine.
Title: Re: IBM Model M replacement spring assemblies
Post by: Phormio on Fri, 16 February 2018, 07:17:48
Good to know.  Thanks, guys!
Title: Re: IBM Model M replacement spring assemblies
Post by: ch_123 on Sat, 17 February 2018, 18:48:01
In my experience, broken/missing plastic rivets are more common than springs wearing out, although that can happen, especially if the keyboard was stored with something pressing down on the keys for a long time.

That being said, new spring assemblies are pretty cheap, and if you bolt mod + install new springs, the keyboard will feel great.