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Chapter 10
AIR CONDITIONING:
There are several methods of winterization; some work
better than others. The various methods employed using
a 50/50 biodegradable antifreeze/water solution are:
1. Pumping of antifreeze solution into the overboard
thru-hull fi tting, and discharging through the intake thru-
hull fi tting.
2. Use of the seawater pump to move antifreeze solution
through the system and discharging through the overboard
thru-hull fi tting. Close the seacock, remove the hose for
the strainer outlet, raise the hose above the AC pump
( to prevent lose of prime) and pour in antifreeze solution.
Pump solution through system. The strainer and hose to
seacock will also need to be drained.
3. Use of pressurized air to force water from the intake
through the overboard discharge.
Note 1: Any method that causes the antifreeze solution to
fl ow downward is the method of choice. By this means,
the antifreeze solution will displace any water trapped and
eiliminate the possibility of freezing in hidden areas. In
addition, since the seawater pump utilizes a magnetically
driven impeller, the impeller whould be removed from
the wet end assembly, wiped with an alcohol solution,
and stored in a warm, dry area until commissioning takes
place.
FOR THE PURPOSE OF PROTECTING
THE ENVIRONMENT,
DISPOSE OF ANY CONTAMINATED
ACID SOLUTIONS
IN ACCORDANCE WITH
FEDERAL,STATE AND/OR LOCAL
REGULATIONS.
FUEL TANK
Fill the fuel tank to minimize condensation but do not
overfi ll. Leave enough space for fuel to expand and add
a fuel stabilizer to fuel tank prior to storage following the
manufacturer’s recommended procedures.
BATTERIES:
Remove the batteries and check the electrolyte level. Store
in a cool, dry place. Add distilled water as necessary to top
off the battery.
Monthly recharging or continuous trickle charging should
be done to insure the battery life during storage. Do not
store a battery on cement as it may discharge.
Note 2: Close the AC pump seacock before lifting the
vessel from the water. Failure to do so may result in a
no prime condition when restarting the air conditioning
system. This condition could cause pump failure.
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