ENGLISH 28-04-2020 18/97 DUFOUR 530
CAUTION!
● Never interfere with the tightening of the seacocks to the hull. In the event of a leak, consult a
professional.
● In bad weather or when leaving your boat, close all the sanitation system seacocks.
● Keep the seacocks closed when not in use and remember to manipulate them regularly to
maintain their flexibility of use. An unused seacock can eventually seize up.
● During wintering, clean and rinse the seacocks and skin fittings. Inspect brass fittings; slight
surface corrosion is normal.
● In the event of more serious corrosion, consult your agent.
Operation of the sea toilets
- Open the sea water inlet cock.
- Open the bowl emptying seacock.
- Set the lever to the “FLUSH” position.
- Operate the pump.
- To empty the bowl and avoid any water slopping when heeling, set the lever to the “DRY
BOWL” position.
- Operate the pump until the bowl is dry.
- Repeat these flushing/emptying operations as many times as is necessary to ensure complete
emptying of the pipes.
- When toilets are not being used, set the lever to the "DRY BOWL" position, or the "CLEF"
position for certain models.
- Close seacocks after use, as the toilet is below the waterline.
- Change the toilet seals regularly.
Holding tank operation (ISO 8099:2000)
CAUTION!
Where a holding tank is fitted, take care to lock the discharge valve, to avoid any accidental
discharge during wintering.
- Black water tanks (50 L) operate with the manual toilet pump.
- The contents of the toilet pan are discharged straight into the holding tank.
- Periodically check that the vent is working properly.
- A deck plate is provided for emptying the tank.
- The discharge valve can be sealed in the closed position using a padlock.
- Once a season, arrange to clean out the tank using a biodegradable disinfectant chemical.
Leave the system empty if the vessel is to be left in below-freezing temperatures. During winter
lay-up, use a food-grade, non-toxic antifreeze that complies with local regulations.
VI. FLOODING
To avoid the risk of flooding the boat:
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