INSTALLATION MANUAL
90-864198020 Page 11 of 77
Seawater Connections - General Information
NOTICE
Refer to manufacturer’s instructions for information on removal and installation of
other than Quicksilver Seawater Pickups.
IMPORTANT: Seal the inside edges of any hole made through the hull with a suitable
sealant to prevent water absorption and deterioration.
Seawater Pickup
THROUGH THE HULL MOUNTED
1. Seal inside edges of 1-3/4 in. (44 mm) hole in hull using a suitable sealer.
2. Apply marine caulking (sealer) to mounting surface on seawater pickup where hull
contact will occur when installed.
IMPORTANT: Seawater inlet slots must face forward - parallel with the flow of water.
3. Ensure slots in seawater pickup are facing forward (toward bow of boat) and install
seawater pickup through hull.
4. Fasten pickup with four appropriate mounting screws (if so designed).
5. Apply marine caulking as needed inside boat.
72639
a
b
c
d
A
a-Seawater Pickup
b-Seawater Inlet Slots
c-Mounting Screw Holes (If Equipped)
d-Nut
Description
Where Used Part Number
A Marine Caulking Mounting Surfaces Obtain Locally
6. Apply sealant to threads of nut and install on pickup on inside of boat and torque nut.
Description
Where Used Part Number
Loctite 271 Seawater Inlet Nut 92-809820
Description Nm lb-in. lb-ft
Nut 42 35
NOTE: If pickup being installed does not have mounting screws on underside where
mounted to hull, be certain, after nut is torqued, that slots are still facing forward.
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