Marquis 500 Sport Bridge, Owner'S Manual

Page: 68 / 124

uSIng the Sea water waShdownS:
Locate the bow and transom-mounted hose fittings . 1 .
Attach one end of an appropriately sized garden hose to the hose fitting selected . 2 .
Attach the spray nozzle to the other end of the hose . The best type of nozzle to use is the “pistol grip” type that can be oper- 3 .
ated by squeezing your hand .
Make sure the sea water washdown seacock is closed . Remove and clean the sea water washdown system’s seawater
4 .
strainer . The strainer prevents debris in the seawater from entering the washdown pump . The strainer is located in the STDB
aft bilge area . Refer to Section 9: Engine Room for the exact location of the strainer .
Reinstall the seawater strainer . If the strainer leaks when the sea water washdown seacock is opened, close the seacock, then
5 .
check the strainer for correct installation .
Open the seacock that supplies seawater to the sea water washdown pump .
6 . The seacock is located aft of the STDB engine .
Refer to Section 9: Engine Room for the exact location of the seacock .
Turn the accessory battery bank master disconnect switch to the ON position . 7 .
Switch ON the 8 . MAIN circuit breaker, located on the DC Distribution Panel (Salon Aft Cabinet) .
CauTiON
DO nOt OpERAtE thE WAShDOWn pUmp WhiLE thE SEAcOck SUppLying SEAWAtER tO thE WAShDOWn SyStEm
iS cLOSED. OpERAting thE pUmp With nO SEAWAtER cAn DAmAgE it.
On the DC Control Center, switch the System DC Main circuit breaker ON, then switch the Washdown Pump circuit breaker 9 .
ON . This activates the yacht’s sea water washdown pump .
The sea water washdown pump, when activated, creates pressure in the sea water washdown system . When the hose nozzle
10 .
is closed, water pressure within the system increases to a predetermined point at which the pump automatically shuts off .
When the hose nozzle is open, releasing water from the system, the pressure in the system decreases .
B
iLge
s
Ystem
The bilge system on the 500 SB contains:
2 Standard Bilge Pumps (Domestic Market) •
4 Standard Bilge Pumps (International Market) •
3 Automatic Bilge Pumps (Domestic Market) •
5 Automatic Bilge Pumps (International Market) •
The bilge is the lowest point in the interior of the hull . Any water that accumulates in the hull will relocate to the bilge . Each bilge pump
can remove up to 1100 to 2000 gallons of water per hour . The bilges include the following pumps:
forward bIlge
The forward bilge pump is located just forward of engine room bulkhead . The bilge pump access hatch below the mattress in the twin
berth .
amIdShIpS bIlge
The pair of amidships bilge pumps are located in the engine room, just forward the engines .
aft amIdShIpS bIlge
The aft amidships bilge pump pair is located in the aft bilge area at the transom .
NOTE: Wipe up any oil that may have accumulated in the bilges before operating the bilge pumps . Pumping oil overboard
contributes to water pollution, and is in violation of the Federal Water Pollution Control Act . Violators are subject to
a substantial penalty .
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