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Hello! I've just acquired a nice Varityper (former Hammond label) folding. Everything works alright, and I am very pleased with it. But the mainspring seems to be too "heavy". Is it normal, or can I loosen it a little, and does anybody know how to do that? Thanks!
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Found these photos in the TWDB Photo Galleries. Maybe another Member knows how. Seems like the locking screw might be a clue.
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My guess...
1. Hold on the spring clock handle firmly with one hand and keeping it from moving.
2. Use a small screw driver in the other hand to loosen the set-screw.
3. Use the spring clock handle to loosen or tighten the main spring a revolution or two.
4. Lock the set-screw back in place tightly.
5. Test the spring tension. Add or delete tension as needed until you are happy by repeating the steps, above.
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Thanks so much Pete! I'll try your method, and give feedback. Happy typing!
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Hello again. I've done the way you were suggesting. It worked. But when the spring was loosen I realized then that the hammer wasn't working properly and the keys were very hard to type on. And I concluded that a very tightened main spring was necessary not only for the carriage return motion but for the hammer to work properly. And I was understanding why the spring "belt"... was made of metal : it has to be very strong! So now I just have to adapt to this parameter : the carriage need more strength than on standard machines to be pushed to the right. Thanks again for your help!