ENGLISH 11-07-2023 18/95 DUFOUR 41
CAUTION!
● Never tamper with the tightening of the seacocks on the hull. In the event of a leak, call in a
professional.
● In bad weather or when leaving your boat, make sure all the seacocks on the sanitation
system are closed.
● Keep seacocks closed when not in use, and remember to handle them regularly to maintain
them in smooth working order. A seacock that has not been used for a long time may jam.
● During wintering, clean and rinse thru-hull fittings and seacocks. Inspect brass fittings; it is
normal to observe some slight surface corrosion.
● If you notice more serious corrosion, contact your agent.
Using sea toilets
- Open the seawater inlet seacock.
- Open the toilet bowl’s discharge seacock.
- Place the handle in the “FLUSH” position.
- Operate the pump.
- To empty the bowl completely and prevent water slopping over when heeling, place the handle
in the “DRY BOWL” position.
- Operate the pump until the bowl is dry.
- Flush and dry the bowl repeatedly until the pipes have been completely emptied.
- When the toilets are not in use, place the handle in the “DRY BOWL” or “KEY” position,
depending on the model.
- Close the seacocks after use as the toilets are below the waterline.
- Change the toilet seals on a regular basis.
Using the holding tank (ISO 8099 :2000)
CAUTION!
If fitting a holding tank, remember to lock the discharge seacock to prevent any accidental
discharge during wintering.
- Black water tanks (50 L or 45 L) operate with the toilet’s manual pump.
- The contents in the bowl are discharged directly into the holding tank;
- Inspect the vent regularly to ensure it is in proper working order.
- The deck has a plug hole that is used to drain the tank.
- The discharge valve can be locked in the closed position using a padlock.
- Clean the tank once per sailing season using a biodegradable disinfectant.
Leave the tank system empty when the boat is docked in temperatures below freezing. During
wintering, use a food-grade, non-toxic antifreeze that is conform to local regulations.
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