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D7.3L D-TRONIC DIESEL ENGINES - BRAVO MODELS
Page 46 of 90
Engine Connections
Quicksilver Seawater Pickup and Seacock
1. Drill a 2 in. (50mm) hole thru hull in appropriate location (Refer to “Installation Require-
ments.”).
2. Apply marine caulking (sealer) to mounting surface on seawater pickup (thru-hull fitting)
where hull contact will occur when installed.
3. Ensure slots in water pickup are facing forward and install water pickup. Position wash-
er on fitting and install large nut. Tighten nut securely.
70355
70589
f
a
e
d
e
c
b
a
f
a-Seawater Pickup (Thru-Hull Fitting)
b-Washer
c-Large Nut
d-Hull of Boat
e-Marine Caulking
f-Slots Facing Forward (Toward Bow of Boat)
4. Install seacock on seawater pickup. Tighten securely.
5. Install 1-1/2 in. (38mm) hose connector on seacock. Tighten securely.
70355
70355
a
b
c
a-Seacock
b-Seawater Pickup (Thru-Hull Fitting)
c-1-1/2 in. (38mm) Hose Connector
IMPORTANT: Seawater hose used must be wire reinforced to avoid collapsing hose
when suction is created by seawater pump impeller.