Regal 3300 Owner's Manual page 204

CHAPTER 6
1. Locate the seacock. Remove the locking mechanism from the seacock
and turn the valve to the "open" position by aligning the seacock
right until the tank is emptied. Once empty return the key switch to
the "off " position. Have someone monitor the waste tank level visually
during the pump out process. Avoid running the discharge pump "dry".
Holding Tank
The holding tank level needs to be monitored periodically for content
fullness. Do not operate the waste system when the holding tank is full.
Before venturing out on a cruise it is a good idea to have the holding
tank pumped out. Normally when the waste tank is overfull it may clog
the charcoal vent line filter.
Since a small amount of water usually remains in the holding tank it
is a good idea to rinse the tank especially after cleaning. Add water to
the toilet bowl along with 8 ounces of manufacturer's tank deodorant
and cleaner until the discharge is clear. Do not use chlorine based or
caustic cleaners along with drain openers as damage to the seals and
hoses may occur.
Rinsing the pump-out hose at the deck fitting with a bit of fresh water
should be done after the marina pump-out equipment hose is removed.
This prevents a build-up of particles and tissue on the waste hose.
6-44
handle with the valve.
2. The overboard pump uses an enhanced monitor
panel with a built-in key switch located in the head
compartment. To activate the macerator pump turn
the switch on and completely to the right. At this point
the macerator pump will sound starting the pump out
process. It will be required to hold the switch to the
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