ETAP 28s - Page 33

T
m;)
3.7.6
Emptning
waste
water
tank
via
shore
station
The
connection
for
emptying
the
tank is located
at
starboard,
underneath
a cover
in
the cockpit.
The
cap is
marked "WASTE".
The
shore
pumping
station
will
have
the
necessary
adapter
pieces
for
connecting
the hose
to
the waste
water
cap.
Procedure:
.
unscrew
the
waste
water
cap
and
connect
the drain
hose
;
.
check
that
the
tank vent
is not
blocked.
lf
the vent
is
blocked,
tank
when
it is
emptied
;
.
leave
the
tank
to
drain
;
'
stop
the draining
operation
as
soon
as the
tank
is
empty
or when
it
is noticeable
that nothing
more
is
being
drained
;
.
disconnect
the drain
hose
and
close
the cap
;
'
flush the
deck
around
the cap
abundantly
with
clean
water
and
wash
your
hands
;
.
if necessary,
make
a note in
the logbook.
!7.7
BlocHng
discharge
overboard
ln
some
regions
it is
not allowed
to
discharge
sewage
direcfly
overboard.
ln
this
case, it
is
necessary
to block
discharge
overboard.
Do
this
by
sealing
the
stopcock
on the
through-hull
oulet
or
by
temporarily
removing
the handle
3.74
Maintenance.
prcbtemsand
preparingforwinter
Ma intenan
ce:
.
refer
to
the
ffi for
the
toilet
;
'
flush
the
holding
tank: fill
the
tank via
the
toilet
and
then
empty
it
again. Repeat
this a number
of
times depending
on
the amount
of dirt in
the
tank
or
the desiied
rdsult
;
.
regularly
operate
all the
stopcocks
in
the system
to keep
them
movable.
Problems:
o
toilet
not
flushing:
check
whether
stopcocks
on
through-hull
outlets
are open.
Check
whether
the holding
tank is
full. Do
not
use aggressive
unblocking
products
to dissoive
blockages.
Preparing
for
winter:
o
attention: prepare
the waste
water
system
for winter
at
the last
moment.
This
is
because
you
still
use the
system
when
you
drain
the
toilets
into
ttre waste
water
tanf
;
o
thoroughly
flush
the
toilet, washbasins
and
shower
;
.
empty
the waste
water
tank and
flush
it out
;
'
if necessary,
open
the inspection
cover
on
the tank,
clean
and
inspect
the tank,
and
close
the
covers
(check
condition
of seals,
clean
them
and lubricate
with
a litile
acid-free
vaseline)
;
r
flush
a
quantity
of antifreeze
down
the
toilet,
sufficient
to
prepare
the
tubing for
winter
;
o
prepare
all through-hull
outlets
and
stopcocks
for winter (see
Section
3.1
3.3).
Preparing
for
summer:
'
reconnect
all
pipes
and hoses,
operate
system
with
"pure"
water
and
check
for leaks
;
'
make
sure
that
no
antifreeze
is
discharged
overboard
as it
is
treated
as small
chemical
waste.
Othe r:
.
Follow
the instructions
in the
relevant
@.
damage
can
be
caused
to the
ETAP
28S
31
I
7A