Installation manual

Simrad SP90
38
851-164510 / Rev.E
4HULLUNIT
4.1 Introduction
The hull unit is a crucial part of the sonar system. Due to its
physical size and weight, and the fact that the trunk penetrates
the vessel hull, it is very important that the hull unit is installed
and secured properly.
This chapter describes the physical installation of the hull unit.
Topics
→ Overview of hull unit models, page 39
→ Unpacking, page 40
→ Mounting, page 41
→ Bleeding air, page 42
→ Mechanical support, page 43
→ Transducer alignment, page 38
→ Installation check-list, page 45