Under certain conditions, tail wind, boat speed or high
bow angle can draw carbon monoxide into enclosed
areas (back-drafting). CO can accumulate to dangerous
levels without proper airflow. Open front canvas to
provide adequate ventilation, redistribute the load or
bring boat out of high bow angle (Figure 2-7).
With canvas in place, hull exhaust while underway can
cause CO to accumulate within enclosed areas. Provide
adequate ventilation when the canvas top, side curtains
and/or back curtains are in their closed protective
positions (Figure 2-8).
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