9-4
520 Express Series
520 Express Series
4. Fuel System:
IMPORTANT
DO NOT fill the tanks so fuel flows
from the vents. Allow room in the
tanks for expansion.
a. Fuel tanks should be filled with
treated fuel to prevent condensation.
Use the following products per
instructions on container.
Diesel- use a biocide, such as
BIOBOR
®
and conditioner, such as
RAYCOR RX 100.
b. Run engines for ten minutes to make
sure treated fuel is present in all lines
and parts of the engines.
5. Engines:
a. Flush engines with clean fresh water.
b. Refer to the engine owner’s manual
for procedures to store and winterize
the engines.
6. Generator Engine:
a. Flush engine with clean fresh water.
b. Refer to the engine owner’s manual
for procedures to store and winterize
the engine.
7. Remove the drain plug at the bottom of
all exhaust mufflers, including the
generator muffler to prevent freeze
damage. Store plugs in a safe place.
8. Head and Holding Tank:
a. Empty and rinse holding tank with
water until tank is clean.
b. Pour 1 gallon (3.8 L) of non-toxic
antifreeze into each toilet bowl. Flush
each head so the antifreeze reaches
the holding tank.
WARNING
DO NOT use automotive type
radiator antifreeze under any
circumstances! It is poisonous. See
your Cruiser Yachts Dealer or
recreational dealer for non-toxic
antifreeze.
c. If equipped with macerator discharge
and the yacht is removed from the
water, operate macerator pump just
long enough so antifreeze runs
through pump and lines.
9. Air Conditioning System:
a. Open intake seacock. Loosen
screws on the seawater pump head
to allow water to drain from pump.
b. Disconnect intake and all unit supply
hoses.
c. Flush units and lines to strainer and
seacock with clean water.
d. Blow water out of lines with low air
pressure.
e. Disconnect hoses from both
condensing units.
f.
Close air conditioning intake
seacock.
g. Remove drain plugs from seacock
and strainer. Allow to drain and
replace drain plugs.
10. Cockpit Wash System:
a. Close intake seacock and remove
intake hose.
b. Put hose in a bucket of non-toxic
antifreeze. Operate system until
antifreeze solution is discharged
from system.
c. Turn system OFF and relieve
pressure in hose, if connected.
d. Remove drain plug from cockpit
wash seacock. Allow to drain and
replace drain plug.
11. Bilge Pumps:
In areas where temperatures are below
freezing, the bilge must be pumped out
and sponged completely dry. Check for
areas that do not drain completely to the
pumps. There are no hull drain plugs.
12. Shower Sump and Sink Drains:
a. Check that master battery switch is in
the ON position.
b. Pour non-toxic antifreeze in the
shower drain until the pump
discharges the antifreeze overboard.
c. Turn battery master switch to the
OFF position.
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