HS Tarm OT 50 Coal Grates

This is off my memory, although it is just possible that the folks at Tarm have a diagram.

There are cast parts for the left and right which fit against or notch over steel on the sides of the firebox - maybe where the wood grates sit?

There are depressions in those castings on the top, which obviously face in toward the firebox because the tabs of the greats install (drop) right down into them.

There is also a flat piece of some sort which fits in the front to close off a small space there - I think this piece might be square - maybe one for the back also?

There have been various grates over the years, some had the cast tabs closer to the center and some on the side. Those on the side were for the external shaker on the 500 series. But in either case, the tabs are lined up on the same side and the steel piece with all the holes on it is slid over the bolts extending along the side of that grate. On some models, two of these are provided and you can face every other grate a different way do you shake fewer at a time (easier). The smaller hole on that steel connector goes toward the front, and is grabbed by the shaking rod - manually, of course, when you open the bottom door to shake.