Sorry new to wood burning and post . My questions are these I got a osburn 2400 2 years ago and I cant keep the rope tape on the glass ,the middle air tube is rotted the back top ceramic baffle is cracked ,i cant figure out how to tighten door up and I have to run stove at full bore to get heat out of it . what am i doing wrong and were do I get part to fix it?Sure would like some advise.