Gray Water Drain System; Sump Box Cleaning; Sump System Winterization - Maxum 3100 SE Sport Express Cruiser Owner's Manual Supplement

Gray Water Drain System

• Gray water above the water line is gravity drained overboard through the manifold.
• Gray water below the water line drains into a sump pump box.
• A float switch, inside the sump box, automatically turns On the sump pump.
• The sump pump pumps the gray water overboard through the manifold.

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

Perform the following steps to winterize the sump pump system:
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.
COCKPIT SINK AIR CONDITIONER
DRAIN DRAIN (IF EQUIPPED)
THRU-HULL MANIFOLD
FORWARD
BILGE PUMP SUMP PUMP BOX
SUMP BOX TO HEAD SINK
MANIFOLD DRAIN
SUMP PUMP BOX
C
A
D
Chapter 6: Plumbing
SHOWER
DRAIN
B
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