you should see pins top and bottom that the door pivots on, the top one has a spring on it ... lift up on the door until the bottom comes out of it's seat, then move the bottom out and drop the door down free of the top seat

an assembly manual is worth the investment wink

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot