Klein Marine Systems, Inc. HYDROCHART 3500, Operation And Maintenance Manual

Page: 47 / 86

Removing and Installing the Optional Sound Velocity Sensor
4-9
4.4 Removing and Installing the Optional Sound
Velocity Sensor
Should it be required to replace the optional sound velocity sensor, it can be
accessed from under the sonar head after removing the forward fairing.
The following tools are recommended:
• 3-mm hex key
• Phillips screw driver
4.4.1 Removing the Sound Velocity Sensor
To remove the sound velocity sensor:
1. Perform Steps 1 through 5 in “Disassembling the Sonar Head Unit” on page 4-2.
However, remove only the forward fairing.
2.
Place the Sonar Head Unit on its side to enable access to the underside of the
frame.
Figure 4-12:
Sonar Head Unit Fully Assembled