Maybe. Maybe. You dont know if it will unscrew... the old bolts are not stainless and usually after 3 or 4 years there is too much corrosion to get the oldies out. SO, we brought the tool rather than risk it. I would be very surprised if those things would unscrew.
New stainless were put in. Going up there another time with a battery powered angle grinder and trying to cut off the old bolts without leaving obvious scars seemed difficult at best. However, it sounds like you have a lot of experience with this... why don't you be that someone who fixes it.
By M Sprague Administrator From: New England Nov 13, 2013
Nice. Yup, I have some experience. I have never had to use a grinder personally though. The few we weren't able to break off and set or pull in our area (some 1/2" glue-ins that were placed incorrectly or were not stainless and placed in wet conditions)were taken care of by a guy who has one, thankfully.
There needs to be an appreciation day for everyone who does service work like this. Thank you to Sam and everyone who lugs around heavy equipment on awesome climbs, taking risk and working harder, just to make those routes safer, easier and more enjoyable for everyone else!
Kimmmmyyyy J. and I had to snip the old chain out cus it just wasn't right... 1/2 inch bolts worth 10,000 pounds down to a $1.29 coldshut rated to 900 pds when brand new (years ago). The only way to upgrade the system to at least two rings worth a lot more than that was to remove the old and start over again. Hopefully the new stuff will last a very long time.