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Be careful when handling and storing treat-
ment chemicals. Not only are they toxic, but
they will also stain and damage surrounding
surface.
E. Head With Overboard Discharge - Optional
This option is available on the 310 Horizon™ models.
The.head.toilet.operations.are.the.same.as.the.sys-
tems.described.earlier..The.head.operates.the.same.
as.the.porcelain.head.system.described.earlier.but.
an additional line with a "wye" has been installed for
overboard.discharge...The.waste.will.be.pumped.into.
the.holding.tank.from.the.head....The.macerator.pump.
is installed before the "wye". Refer to Figure J10.
Macerator Pump
Figure J10: Overboard Discharge Option
NOTICE
The discharge pump must be used to dis-
charge waste overboard. However, DO NOT
use the discharge pump to discharge waste at
a pumping station.
To.operate.the.overboard.discharge.system:
1.. The.discharge.valve.is.located.in.the.engine.com-
partment labeled "HEAD DISCHARGE". To open,
turn.the.valve.so.that.the.handle.is.parallel.to.the.
flow of the valve. The waste deck plate cover must
be.tightened.securely.for.the.overboard.discharge.
system.to.operate.
2.. Turn.ON.the.overboard.discharge.switch.which.
is.located.in.the.head.on.the.switch.panel..Allow.
the.discharge.pump.to.run.until.the.storage.tank.is.
empty..The.sound.of.the.pump's.motor.load.and.
speed.will.change.when.the.tank.becomes.empty.
Sport Boat Waste & Water Systems - Section J
Wye
Seacock
3.. Turn.the.overboard.discharge.switch.off.
4.. Turn.the.head.discharge.valve.handle.to.the.
closed.position,.and.secure.it..This.thru-hull.valve.
(seacock).must.be.closed.to.prevent.water.from.
being.forced.back.into.the.system.
Discharging waste overboard is illegal in most
US waters today. Discharge is limited to
certain coastal waters, a designated distance
offshore. Check with your local boating regula-
tions before proceeding with any discharge
activities.
Some local regulations require overboard
discharge systems be physically secured in a
closed position during use of the boat in waters
designated as "no discharge" areas. Check
with local boating regulations. Refer to the
manufacturer's literature for additional informa-
tion.
J - 6
SYSTEM MAINTENANCE
Information.supplied.with.water.and.waste.system.
components.by.the.equipment.manufacturers.is.
.
included.with.this.manual..Refer.to.this.literature.for.
additional.operation.and.service.information.
Be.sure.the.batteries.in.the.boat.are.properly.charged.. .
Operating.the.pressure.pump.from.a.battery.with.a.
low.charge.will.result.in.pump.cycling..This.could.lead.
to.premature.pump.failure..
The decomposition of waste produces a color-
less, odorless gas, methane, that is lighter than
air, combustible, and extremely lethal. Always
provide sufficient ventilation when effecting
repairs to the waste system and allow no odor
from the waste system to go unresolved.
NOTICE
Owner's Manual Page
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