Hunter 50 - Pickups and Strainers

Hu
nt
e
r
50
• Water S
y
stems
9
.
5
the “collector” or
g
lass encasement that houses the
screen.
R
emove an
y
o
bj
ects co
ll
ecte
d
i
ns
id
e an
d
was
h
th
e
sc
r
ee
n
.
9
.4.3 A/C Pickup and Strainer
(
Air Conditionin
g
Option
)
At the end of this section,
y
ou will find an illustration of the
A
/C
coolin
g
water arran
g
ement. It is important to alwa
y
s
e
nsure that the intake valve
(
see mechanical arran
g
e-
ment in the Boatin
g
Safet
y
Chapter, as well
)
is alwa
y
s
o
pen be
f
ore usin
g
the A
/C
Sy
stem. In the pumps sub-
section o
f
this chapter
y
ou will see the ima
g
e o
f
these
c
omponents. Fi
g
. 9.2.
I
f
y
ou purchased
y
our boat with the air conditionin
g
o
ption,
y
ou will find the documentation for the operation
of
this s
y
stem in the owner’s packet o
f
the manu
f
acturer’s
o
wner’s
/
operator’s manuals
.
9
.4.4 Generator Coolin
g
Pickup and Strainer
(
Generator Option
)
The
g
enerator is an en
g
ine and,
j
ust like the main
e
n
g
ines, requires coolin
g
water. Water is supplied to the
g
enerator t
h
rou
gh
t
h
e
i
nta
k
e an
d
stra
i
ner
l
ocate
d
j
ust
a
f
t o
f
the
g
enerator. Raw water is taken in via the raw
water intake and then passes throu
g
h the strainer and is
dischar
g
ed throu
g
h the exhaust of the
g
enerator. Consult
the D
C
Electric
C
hapter
(C
hapter 7
)
o
f
this manual
f
or
more in
f
ormation about
y
our
g
enerator option.
9
.4.5 En
g
ine Seacocks and Strainers
It is a ver
y
important function for
y
our main en
g
ines to
remain a speci
f
ic temperature when operatin
g
. This is
done with the aid o
f
raw water
f
rom the main en
g
ine
seacocks. Heat from the closed coolin
g
s
y
stem on the
e
n
g
ines is trans
f
erred to the cooler seawater throu
g
h
heat exchan
g
ers inside the en
g
ine. The raw water is then
di
sc
h
ar
g
e
d
t
h
rou
gh
t
h
e ex
h
aust
.
To clean
y
our main en
g
ine strainer,
f
irst close the main
e
n
gi
ne seacoc
k
, remove t
h
e top cover on t
h
e stra
i
ner
r
e
m
o
v
e
th
e
sc
r
ee
n
a
n
d
c
l
ea
n
.
CAUTION
! !
A
lwa
y
s ensure en
g
ine, or
g
enerator seacocks, or
i
ntakes are open before startin
g
. Failure to do so
c
ould overheat and a dama
g
e these components
.
Before re-installin
g
the cap onto the strainer, check the
tenance of this s
y
stem can be found in the Waste
and Sanitation chapter, Chapter 10 of
y
our
O
perator’s
Ma
n
ua
l
.
9
.4 Picku
p
s and Strainers
There are various pickups and strainers installed
a
b
oar
d
y
our
b
oat.
H
ere we w
ill
di
scuss t
h
e p
i
c
k
-ups
and strainers associated with the water s
y
stems.
9
.4.1 Pick-u
ps
P
ick-ups, or throu
g
h hulls are placed in various locations
in the hull of
y
our boat. The intakes usuall
y
have a ball t
y
pe
valve which controls the
f
low o
f
raw sea water to the spe-
c
ific component, or s
y
stem associated with the pick-up.
CAUTION
! !
I
t
i
s ver
y
i
mportant t
h
at
y
ou ensure t
h
at t
h
e
i
nta
k
e
v
alve is open before usin
g
a raw water supplied s
y
s-
t
em. Failure to do so could dama
g
e or break down a
s
y
stem or component.
9
.4.2 Strainers
Y
our
b
oat
i
s e
q
u
ipp
e
d
w
i
t
h
stra
i
ners t
h
at stra
i
n t
h
e raw
water taken in the thru hulls or pickups
f
or ob
j
ects that
c
ould dama
g
e the impeller or pump equipment.
S
trainers
are e
q
ui
pp
ed with a screen or a filter inside that collect
o
b
j
ects taken in. The
y
must be cleaned as part o
f
routine
m
a
int
e
n
a
n
ce
.
To clean a strainer,
f
irst, make sure that the suppl
y
valve
is in the
Off
or closed position. Failure to close the intake
o
r seacock could result in a flooded boat. Next, remove
I
ma
g
e s
h
ow
i
n
g
Image showing
t
he intake valv
e
e
a
nd the straine
r
r
for the A/C s
y
s
-
-
t
em. Note the ball
ty
pe valves. When
th
e
h
an
dl
e
p
ara
ll
e
l
t
o the suppl
y
lin
e
e
t
hen it is in th
e
e
o
p
en
p
os
i
t
i
on
.
Fi
g
. 9.
4
4