Sea Ray Sundancer 350 Owner's Manual page 60

T r
o eMove The
1. Turn off all items drawing power from the battery.
2. Turn off the "converter" breaker at the Main
Distribution Panel (MDP).
3. Turn the battery switch to the OFF position
(Battery switch is optional equipment on some
models).
4. Remove the negative cable first, then the
positive cable.
5. With a clean rag, remove grease and dirt from
the top surface of the battery.
6. To replace the cables, first replace the positive
cable, then the negative.
b M
aTTerY ainTenance
• Check the fluid levels in the cells approximately
every 4 weeks, and weekly in summer and
hot zones.
• The fluid level must be between the lower and
upper markings.
• Replenish only with distilled water. Do not use
metal funnel.
• Coat battery terminal clamps with silicone
grease. Keep battery clean and dry.
Battery life is shortened if it is drained to 20
percent (11.6V) charge before recharging, or if
left in a discharged state (less than 12.4V) for
days. It is recommended that a battery not be
discharged more than 50 percent (approx. 12.2V).
If the battery does become run down, recharge it
as soon as possible.
Running the engine to recharge the battery may not
be effective. The alternator only creates charging
power at higher engine speeds, so simply idling or
trolling will not generate enough power to recharge
the battery.
If you need to charge a battery, use only a
battery charger designed to charge automotive/
marine batteries. Use charger only when battery
is disconnected from the boat's electrical circuit.
Follow the charger instructions.
50
DA_350_Book 1.indb 50
S 350 e
undancer
b c :
aTTerY ables
S
lectrical yStem
If the boat is equipped with dockside power and an
AC/DC converter/battery charger, keep it ON when
shore power is available. This will keep the batteries
properly charged and allow use of the DC powered
equipment on board without draining the battery.
If the boat is equipped with an on-board battery
charger option, keep it plugged in when the boat
is not in use and it will automatically maintain the
battery. Disconnection of the battery is not necessary
with an on-board, pre-wired battery charger.
l T b s
ong erM aTTerY Torage anD
r
ecoMMenDaTions
When a boat is not going to be used for a long period of
time (more than 3 weeks), then steps should be taken
to ensure that the batteries are properly maintained to
mitigate low voltage issues in the future.
A battery "maintainer" (smart charger) should be in
use anytime the boat is not operational to maintain
the batteries. Primarily, this is done through shore
power and the onboard AC/DC converter/battery
charger, but a dedicated battery maintainer can
be used directly to a battery if warranted (i.e.,
boat not equipped with shore power, shore power
unavailable, etc.). Be sure the battery maintainer is
matched to the battery technology in use (sealed
lead acid, absorbed glass mat, etc.) and is only used
on the appropriate number of batteries.
Adequate ventilation is always a consideration when
batteries are being charged due to the production of
O and H (oxygen and hydrogen), even with sealed
2 2
batteries. Regardless of where the batteries are
located, ensure there is sufficient ventilation where
a battery is being charged.
If the boat is on a trailer or is being hauled out and
placed in dry storage (i.e., boat rack or blocks),
consider physically disconnecting the batteries from
the boat and placing them on a maintainer. The
batteries could be left in the boat, but electrically
disconnected from the boat if the batteries are
easily accessible for maintenance, the ventilation
is sufficient, and temperatures do not drop below
freezing (0°C/32°F).
Disconnecting the battery is not necessary if the boat
is equipped with an on-board battery charger and the
conditions mentioned above apply.
M
ainTenance
Sundancer 350
6/20/2017 9:04:46 AM