Water Systems --- Section 6
Cayman 2005
217
• Attach the other end of the hose to the drain service. Restrain
hose to prevent movement during use.
• Open the (small) grey water valve.
The black water valve remains closed until the tank is full or until
time of departure to help prevent clogging. Use the outside faucet or
shower attachment for washing or rinsing the sewer hose after dump-
ing the black tank.
LUBE:
Lubricate the O-ring on the sewer hose adapter periodically
with silicone spray.
NOTE:
Close the grey water valve 24 hours prior to departing to allow the tank to fill with liq-
uid to help in the dumping process.
NOTE:
Use care when connecting the sewer hose adapter to the termination outlet in cold
weather.
Black Tank Flush
The black tank comes equipped with a flush nozzle, located on the curbside, to
help reduce solid build up. Flush the tank each drain cycle. Failure to thoroughly
flush the tank may result in accumulated solids and a clogged spray nozzle.
1. Close the grey water valve and fill the grey tank to at least 50% by running
water in the shower or sinks. Use the Systems Control Center to observe tank
fluid levels. When the grey tank is 50% full, stop filling the tank.
2. Open the black water valve. Allow the
black tank to drain.
3. Connect a non-potable water hose, with
pressure regulator, to the flush system fit-
ting located in the service center. Turn on
the faucet and allow water to rinse the
black tank for at least three minutes. Never
operate the system unattended. Ensure the
water flows freely though the sewer hose.
When completed, turn off the faucet and
close the black water valve.
130013b
Hose adapter clamped to end of
sewer hose.
040518b
Black Tank Flush nozzle
in curbside compartment
behind water bay
040544
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