Unit installation

FS70 Trawl Sonar System
66 974-24007001/4.1
connector mating surface must be protected from moisture and dirt
at all times. Failure to do this may result in water damage to the
cable causing improper operation of the sonar system.
5.3.2.2 Maintenance Schedule
For optimum performance and trouble free operation, follow the
maintenance schedule below.
Beginning of Fishing Season
Service all connectors
Every Two Weeks of Continuous Use
The trawl unit package should be opened and the components
cleaned with fresh water. The trawl sonar head should be inspected
for corrosion or damage. Service all connectors. The FS processor
should be checked and cleaned if required.
End of Fishing Season
The trawl unit package should be opened and the components
cleaned with fresh water. The trawl sonar head should be inspected
for corrosion or damage. Service all connectors and cover them
with plastic. Store unit in a dry, clean area.
Every Twelve (12) Months Heavy usage or Every Two Years
Return the trawl sonar to a qualified Simrad service facility for
inspection of connectors, seals and shaft assembly. Have parts
replaced as required.
Every Four Years
The trawl sonar head should be returned to a qualified Simrad
service facility for recalibration and upgrade to the latest
specifications, and inspection of connectors and housings for
damage.