18
Cuatro-3 90
Instructions for use
• Bend the strips, L and R, on the retardant plate (brake plate) holder completely
backwards. As a result, the opening for the discharge of the fl ue gases increases.
• Place the fl ue gas fl ap back.
Strip R
Strip L
Brake plate holder
Increasing the draught:
• Remove the fl ue gas fl ap by lifting it slightly, tipping it backwards and removing it.