Interesting, thanks for clearing that one up.coalturkey wrote:On my range, it is to adjust the oven door relief spring so it stays closed and opens with minimum effort. I have the same spring and wingnut at the back of my stove.
Here is a photo of the stove. Front compartment in front of the firebox with grate tool in place. The ashpan is in the bottom compartment. Here is the draft control at the back of the stove just below the firebox (this is where that spring/rod attachment is on your stove.
The vertical piece that you can see runs up to the cooktop to easily change the draft, and there is a rod that connects from the back draft control at one at the front of the stove so both can be controlled at the same time. Here you can see the removable cover (below the oven door) so ash can be cleaned from under the oven. Now the cover is removed and I set the scraper there to give an idea of how it works. You can also see the front draft control (in in open position) in the left side of the photo. Here is the bypass or direct draft damper (top rear of stove with cooktop plate removed) in closed position which forces flue gasses through the passages around the oven. It is controlled by the linkage in the upper right hand corner of the photo. Here the damper is in direct draft position allowing most of the heat from the fire go straight to the chimney. Note, the linkage is now in the down position. Did you determine if there is an access beneath the oven to remove ash?