Garmin CS 1522, Owner'S Manual

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CHAPTER 1 INTRODUCTION 16
1.5 Thru-Hull Transducer Installation
WARNING
After installation, check your boat for leaks before leaving it in the water for an extended
period of time.
CAUTION
Always wear safety goggles, ear protection, and a dust mask when drilling, cutting, or
sanding.
Do not install a transducer in the engine compartment or near heat sources.
NOTICE
When drilling or cutting, always check what is on the opposite side of the surface.
The device should be installed by a qualified marine installer.
1.5.1 Tools Needed
• Drill
• 3 mm (1/8 in), 9 mm (3/8 in), 13 mm (1/2 in) drill bits
•
fiberglass hull: 25 mm (1 in), 29 mm (1⅛ in), 32 mm (1¼ in) spade bit
• metal hull: 32 mm (1¼ in) hole saw
• Band saw or table saw
• Slip-joint pliers or crescent wrench
• Masking tape
• Marine sealant
• Epoxy or exposed core sealant (cored fiberglass hull)
1.5.2 Mounting Considerations