Author: clarnibass
Date: 2022-03-27 09:07
>> None of this discussion says which way to move the spring... you have to push the spring backwards... no way you can grab the long end of the spring and pull it out - you have to push it back the way it came. <<
I thought it was clear by saying "pushing", exactly how you described it, but maybe it wasn't clear enough?
To clarify, pushing means gripping the part sticking out and pushing towards to post.
>> But is this true in instruments being made today? <<
Almost always yes, exactly the same.
>> as one end of the spring is larger than the other. This is designed to stop it coming right through the pillar and falling out <<
Not just that, but mainly to stop it rotating in the post. Sometimes springs become loose in the posts (or installed poorly, etc.) but they rarely fall. The tension is pretty good at preventing that. Without the enlarged and, and more importantly, none-round area, the springs would rotate immediately.
Which brings an important point, if Bill ends up removing the spring with the intention of re-installing it, then remember to put it back in the same orientation it was installed before. It's possible to install it 180 degrees in reverse, having to bend it to the other side, and possibly weakening it from the bending back and forth.
>> The worst job I ever encountered in this area was a spring that broke off right at the pillar <<
Lacking tools, the usual method is to use another spring to punch it out, supporting the back of the post. Cut the punch spring to the length that is the best proportion between holding it and acting as a punch.
Though there are special pliers for this that usually make this very fast.
Post Edited (2022-03-27 18:20)
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