Telescoping 6" Stove Pipe issue

[Vikestand]

First, I've been creeping around here for awhile but have finally found a reason to tap into the vast knowledge here.


Last night while cleaning my flue, I took the telescoping double walled 6" pipe off the stove and ceiling and set it off to the side. My normal procedure is to duct tape a trash bag to the pipe going into the ceiling before cleaning, letting the build up fall into the bag.

Well when I went to pick up the pipe it collapsed down to it's smallest length. I cannot get the pipe to adjust. It's fixed.

When I was a kid we always fought with these pipes but normally I could get it to finally break free.

I've tried penetrating oil and have it soaking right now here at work. I'm at a loss on how to break it free.

 

[DAKSY]

Your best bet would be to get a couple of strap wrenches with either leather or rubber strapping & have a buddy help you.
Turning the wrenches (& the pipe sections) in opposite directions will usually free them...

 

[Vikestand]

Got it. Took two pairs of dykes and a rubber mallet/wood and tapped her loose. It's a choir by yourself which I was trying to accomplish last night. Sick baby and wife don't help.