The fuel shop fixed my fuel servo by replacing the spring that holds
the fuel regulating diaphragm. The tech said the previous spring was
very stiff and he replaced it with one that was softer. Does that
indicate that the previous spring was broken (i.e. stiffer than it
should have been) or does Lycoming (Airmotive really) have a variety of
springs for adjustment purposes?? Did they fix the problem or just
adjust the fuel servo to work "post-problem".

-Robert, IO-360-A3B6