540
9
HYDRAULIC SYSTEMS
Studio ti 03312 540-04usa
211
9.9.5 Black water system maintenance
Periodically or by each yacht onshore handing, flush out the black water
(sewage) tank with fresh water. Flush it several times until clean. All
cleaning water should be drained into the proper shoreside pump-out
facility.
Add an appropriate black water (sewage) tank sanitizing product for the
final fill and perform a drain cycle, following the product directions. This
service procedure will help prevent undesirable odors.
See the Long-Term Lay-up section in the MAINTENANCE chapter of
this manual.
NOTICES
Verify the correct operation at least once a week:
• of the toilets;
• of the black water pump.
Verify the pipe and connection condition at least once every three
months.
Protect with suitable products at least once every six months:
• the toilet solenoid valves;
• the black water pump.
Carefully clean the black water tank when required but at least once a
year.
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