nt
r
C
• D
Electric
7.
Le
ends” section that will detail the switch, breaker, and
ontro
pane
s a
oar
our
oat
7.1.1 Batteries
DA NG ER
! !
Batteries contain Sulfuric Acid and can cause severe
ersonal in
ur
if mishandled.
Avoid contact with e
es, skin, or clothin
. In case of
ontact, flush with water at least 15 minutes.
If swallowed, drink lar
e quantities of water or Milk
f Ma
nesia, beaten e
, or ve
etable oil and
et
edical attention immediatel
WARNING
! !
Char
in
batteries produces
asses which can ex-
lode if i
nited.
xplosion can shatter a batter
.
atter
ac
can cause severe persona
n
ur
suc
s blindness.
eep flame, spark, and smokin
materials awa
from
batteries while char
in
. Char
e in a well ventilated
The DC S
stem derives its power from two separate
batter
banks.
The ne
ative terminal of all banks are attached to the DC
round connection on the en
ine. This s
stem, known as
the ne
ative
round s
stem, is the approved s
stem
or
marine DC electrical s
stems. The batter
wirin
s
stem
has two color coded wires. The
ellow wire is the
round
ne
ative
, and the red wire is
positive
.
To avoid explosions, do not use
umper cables and a
booster batter
to start the en
ine. I
batteries are dead,
t
en remove an
rec
ar
e t
em as
ore
Batteries produce h
dro
en and ox
en
asses when
t
e
are
e
n
c
ar
e
.
ese exp
os
ve
asses escape
throu
h the vent
ill caps and ma
orm an explosive
atmosphere around the batter
i
ventilation is poor. This
as ma
remain around the batter
for several hours after
har
in
.
parks or
lame can i
nite the
as and cause
an explosion
WARNING
! !
Batteries contain a lar
e amount of potential
ectr
ca
ener
xtreme care must taken when workin
with
batteries.
An improper connection to a batter
can release
nou
ener
to cause severe persona
n
ur
or
fire.
The
ollowin
precautions must be taken
The wirin
to the batteries must have proper over
current protection in the
orm o
use or breakers
se onl
batter
char
ers that have been listed b
a
testin
a
enc
, such as Underwriters Laboratories,
n
Follow the wirin
dia
rams exactl
o remove the batter
Turn off all power drawin
breakers and isolate bat-
ter
.
emove ne
ative
-
cable first, then the positive
+
When
ou install a batter
, the batter
connections must
e ma
e proper
Attach the positive cable to the positive
+
terminal
n t
e
atter
Attach the ne
ative cable to the ne
ative
-
terminal
n t
e
atter
Note: Batteries should always be removed and installed by
trained, qualified persons to avoid all damages.
7.1.2 Batter
Switch
ach batter
has a batter
selector switch
Fi
. 7.2
l
t
in th
nk
rw
r
th
h
rt t
l
.
The selector switches are marked as to which batter
the
control. Turnin
the selector switch to the
posi-
tion turns power off to the respective circuits, likewise, the
n position turns power on.
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2