Problem with bolt hold open on 1918 DMW

[Eugen]

Originally Posted by Comanche1952

It was the Sarco spring, it was too heavy. A little polishing of the spring and the HO works fine now.

Thanks to everyone for the suggestions.

The spring was "too heavy" so "a little polishing" fixed it? I need help in understanding what you did to the spring and what was corrected. Could you elaborate? By heavy do you mean too large or strong? How did you polish it, how much and with what?