7.9
S
ECTION
7 • A
CCESSORIES
AND
O
PTIONS
390 Sundancer
®
(
425 Sundancer
®
)
C. H
OLDING
T
ANK
O
PERATION
Holding tank (Figure 7.8.1) fluid level indicators
are located on the DC distribution panel in the
salon and in each head. The panel indicator
shows FULL-DO NOT FLUSH, 1/2 and EMPTY
the indicators in the individual heads have a red
(DO NOT FLUSH) and green (OK TO FLUSH)
LED light. When DO NOT FLUSH is indicated,
the holding tank must be emptied before the head
can be reused. However it would be a good
practice to empty the holding tank when the 1/2
light is on to avoid overflowing the holding tank
and ruining the vent filter.
D
OCKSIDE
P
UMP
-
OUT
To empty the holding tank, the services of a
dockside pump out station will be needed. Follow
instructions at the station and make sure pump out
station hose is inserted into the deck plate marked
WASTE, located on the port side of the transom. If
equipped, the holding tank can also be emptied by
the optional macerator. See MACERATOR
DISCHARGE PUMP in this section.
D. V
ENT
F
ILTER
The vent filter is designed to control odors
associated with the head system operations. The
vent filter is located on the engine room forward
bulkhead. The filter must be changed at the
beginning of each boating season to be
effective. The vent filter is installed in-line on the
holding tank ventilation hose.
NOTE: Do not overfill the holding tank as this will
flood the vent filter and render it useless. Filter
replacement will then be required. See Parts Manual
for correct replacement filter.
6. M
ACERATOR
D
ISCHARGE
P
UMP
WITH
S
EACOCK
I
NTERLOCK
S
YSTEM
(O
PTIONAL
)
If equipped, the optional macerator (Figure 7.8.1)
gives the boat operator the means of discharging
the holding tank contents directly overboard through
a seacock in the bottom of the hull. This is available
in conjunction with the dockside pump out.
Since direct overboard discharge is prohibited in
many areas, the macerator seacock is normally
closed. The macerator seacock is equipped with a
system interlock switch which prevents the
operation of the macerator when the macerator
seacock is closed. The light on the DISCHARGE
PUMP switch on the DC Distribution Panel will be
lighted when the macerator is operational. If the
W
ASTE
L
EVEL
I
NDICATOR
AND
D
ISCHARGE
C
ONTROL
(F
IG
. 7.9.1)
I
NDIVIDUAL
H
EAD
- W
ASTE
L
EVEL
I
NDICATOR
(F
IG
. 7.9.2)
D
OCKSIDE
P
UMPOUT
(F
IG
. 7.9.3)
“WASTE”
DECK
PLATE
Summary of Contents for 390 Sundancer
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