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Assemble Block
Install back refractory blanket:
Prepare back section:
Cut off rope
even with
edge
Cut off
rope
even
with
edge
3 1/2" Sealing ring
Cut off rope
Sealing rope
even with
edges
Figure 4
7 1/2"
Sealing
ring
Sealing
rope
Cut out
observation
port opening
Back refractory
(apply waterglass
to entire back side)
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