Maxum 3700 SY, Owner'S Manual Supplement

Page: 49 / 80

Chapter 6: Plumbing
43
Drain Systems
Deck Drains
•
Water on the deck is drained overboard through the deck drains.
•
Keep the deck drains free of debris.
Galley Sink Drain
The galley sink is gravity drained overboard.
Sump Pump Drain Systems
•
The shower and head sink drains
into the sump box.
•
Each sump box has a float switch.
•
When water rises to a preset
level the float switch turns On the
sump pump.
•
The sump pump pumps the drain
water overboard.
Sump Box Cleaning
Periodically clean the sump box (A), filter, and pump as follows:
1. Remove the cover screws (B) and the cover (C).
2. Remove any debris from the box and the filter.
3. Clean the sump pump as outlined in the Bilge Pump section of
this manual.
Sump System Winterization
Drain the sump pump system in the winter months when not in use.
1. Disconnect and drain all lines to the unit.
2. Remove the screws from the mounting feet (D) and drain
the system.
3. Reinstall the screws in the mounting feet and reconnect
the system.
SUMP PUMP DRAIN SYSTEM ROUTING
OVERBOARD
THRU-HULL
SUMP
PUMP BOX
SHOWER
DRAIN
HEAD SINK
DRAIN
B
C
A
D