Problem solved: main spring replacement made easy !

[sheepherder]

Originally Posted by Vlim

It's better to learn the right way, than to invest time and money in getting the wrong way to work.

...Confucius???...

Agreed. There are several threads with pictures showing 'more better' ways to do it, using proper tools. I believe Jim Solomon markets a clone of the original tool which is used for this purpose. I prefer clamping the bare frame to a table and using a Cotter-pin puller to compress and remove/install the mainspring assembly, then using the puller to 'unscrew' the mainspring from its guide.Pliars slip too often and can be sure to find a blued surface, soft steel, or tender skin to impale.

...$.02...

Edit: Here's a pic from one of my threads. The Cotter-pin puller has a 90º tip that fits in the hole in the mainspring guide. The Luger frame is clamped securely to my mill table.

I've read other threads here about holding the frame between your knees, or pushing it against a table. Yikes! Clamping it down and using a Solomon-type tool (or a pin puller) is the bestest way, IMHO...