Self-Closing Firebox Door - Spartherm Premium Assembly And Operating Manual

Service work
7.3.4 / 5
4 remove the ash pan.
7.3.4 / 6
4 remove the base bricks.
4 remove dirt and soot from the components.
4 Correctly reinsert the components after cleaning.
4 Check the proper condition of the firebox lining:
• All components are in the correct position.
•
there is no gap between the components.
48 Assembly and operating manual | Premium & Lean | 06.2023 | en
7.3.5

Self-closing firebox door

Conversion to a self-closing firebox door is possible even
after installation of the unit by adjusting the counterweight.
the weighted pieces are accessible through the inspection
ports in the firebox.
prerequisites for conversion:
• use of the self-closing door function is clear.
6 "2.4 protective devices" (page 6).
•
the unit is fully cooled down and cleaned.
• the firebox lining has been removed.
6 "7.3.4 Firebox lining" (page 47).
7.3.5 / 1
4 remove the inspection ports.
the number of counterweights is correct when the firebox door
closes slowly and with a constant speed.
7.3.5 / 2
4 undo the safety ring.
4 remove a suitable number of counterweights.
4 reinsert the safety ring.
4 ensure that the firebox door closes slowly and with a
constant speed.
4 tighten the safety ring.