Omega 60 Series Instruction Manual page 24

GB
5. Replace the middle panes after cleaning in reverse order, checking that they are
oriented so the words INTERNAL SIDE are properly legible.
NOTE: a slight gap between the middle panes and the side supports is normal
because it allows for the heat expansion of the glass.
6. Place the pack of three glass panes between the two uprights and replace the top
strip.
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