When should power ventilation be turned on?

When should power ventilation be turned on?

If your pleasure craft is equipped with a power ventilation system, turn it on for at least four minutes in either of these situations:

1. After fueling.
2. Before starting the engine.

When should you turn on the power ventilation system to help eliminate fuel vapors in the Blige?

Note: The USCG recommends that a powered ventilation system be turned on four minutes before starting your boat’s engine and for at least four minutes after you’ve fueled your boat. This will clear out any fumes that may have settled.

When should you ventilate until odors are removed?

Even after the work is finished, it is best to leave the room ventilated to allow fumes to dissipate for up to 24 hours. Some released gases are heavier than air and will linger close to the floor, making them less likely to dissipate.

How long should you use a ventilation blower after fueling?

After fueling, be sure to run your blower for at least four or five minutes and make sure you cannot smell gas before starting your engine.

What is the purpose of having a ventilation system on board a motorized vessel quizlet?

Properly installed ventilation systems greatly reduce the chance of a life-threatening explosion. All gas-powered boats, constructed in a way that would entrap fumes, must have at least, (blank), ventilation ducts fitted with cowls to remove the fumes.

What is the purpose of the ventilation system?

Ventilation is the mechanical system in a building that brings in “fresh” outdoor air and removes the “contaminated” indoor air. In a workplace, ventilation is used to control exposure to airborne contaminants.

When should the blower be operated on a boat?

It is recommended that you use a blower at least 4 minutes before you ever start the engine, and especially after fueling.

What should you do when fueling an outboard boat with a portable tank?

Fueling portable containers

1. Always refill your portable fuel containers on the pavement or dock to ensure a good ground.
2. On the dock, put an absorbent pad under the container.
3. Consider using a funnel.
4. Ensure the nozzle stays in contact with the tank opening.

When should you check for gas fumes?

After fueling, open the door of the engine compartment and sniff to check for any evidence of gas fumes. Do this before starting the engine. If you do smell gas fumes, determine the source and make repairs immediately.

What safety precaution should you take while filling the fuel tank of a gasoline powered boat?

While Fueling Your Boat

1. Keep the nozzle of the fuel-pump hose in solid contact with the tank opening to prevent producing a static spark.
2. Use caution and fill the tank slowly to avoid spilling fuel into the boat’s bilge or into the water.
3. Never fill a tank to the brim—leave room for fuel to expand.

When should you run the blower on a boat?

When Should A Blower Be Operated On A Boat? Whenever you start your boat after it has been sitting idle for some time. You should turn your blower on before starting the engine. If by any chance, any flammable gases have collected inside your boat, the blower will exhaust them out.

How do ventilation systems work?

Exhaust ventilation systems work by depressurizing the building. By reducing the inside air pressure below the outdoor air pressure, they extract indoor air from a house while make- up air infiltrates through leaks in the building shell and through intentional, passive vents.