Sealing system for a machine for thermal treatment of bulk material

A method for attaching a brush to a drop bar in a sealing system for a machine for thermal treatment of bulk material,

• wherein the sealing system comprises one or more drop bars being configured to be distributed after each other along a traveling direction, and
• wherein the machine comprises a stationary furnace which presents an attachment structure, and a plurality of pallet cars traveling through the furnace along a traveling direction, said plurality of pallet cars together defining, at a lateral side thereof, a common engagement surface which extends through the furnace along the traveling direction, wherein a gap is defined between the attachment structure of the furnace and the common engagement surface of the plurality of pallet cars, the method comprising:
• dismantling at least one drop bar of the one or more drop bars from the machine,
• attaching a brush, or a brush holder which carries the brush, to the at least one drop bar, and
• mounting said at least one drop bar back on the machine,
• wherein the brush or brush holder is attached to the drop bar such that the brush is configured to be in engagement with the common engagement surface when in use on the machine.