Engine Connections; Quicksilver Seawater Pickup And Seacock - Mercury INSTALLATION MANUAL D7.3L D-TRONIC Installation Manual

D7.3L D-TRONIC DIESEL ENGINES - BRAVO MODELS

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.
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4. Install seacock on seawater pickup. Tighten securely.
5. Install 1-1/2 in. (38mm) hose connector on seacock. Tighten securely.
IMPORTANT: Seawater hose used must be wire reinforced to avoid collapsing hose
when suction is created by seawater pump impeller.
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c
e
e
a
Seawater Pickup (Thru-Hull Fitting)
a -
Washer
b -
Large Nut
c -
Hull of Boat
d -
Marine Caulking
e -
Slots Facing Forward (Toward Bow of Boat)
f -
a
b
Seacock
a -
Seawater Pickup (Thru-Hull Fitting)
b -
1-1/2 in. (38mm) Hose Connector
c -
b
a
f
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f
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c
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