Don't know if this is the place for a blog plug, but it was either here or in the 'Amplifier' section...
Anyway, I've recently done several mods and repairs on my HRD and chronicled the job with pictures on my site. Now, I've written it for the non-guitarist mainly, as a lot of family and friends would be stopping by, so pleaase forgive some of the simplified language.
You can read the full 'article' here in my blog.
Thought y'all might be interested and I'd figure I'd share.