Furuno FV-110GX, Operator'S Manual

Page: 42 / 188

Installation of the ADU
2-18
2.3.1 To install the ADU
Prerequisites
• Check for potential interference, read more in Interference from radar, GPS, L-band
and other transmitters on page 2-13.
• Install the ADU at a location where vibrations are limited to a minimum .
• Maximum allowed cable loss
≤
20 dB at 1950 MHz. This is to ensure optimum
performance of the system.
Installation procedure
To install the ADU, do as follows:
1. Install the mast with the mast flange and have the 4 M12 bolts ready.
2. Undo all shipping buckles, take off the wooden top and remove the casing.
3. Unscrew the 4 bolts holding the ADU on the wooden platform.
4. Attach a webbed, four-part sling with a belt to all 4 lifting brackets.
Figure 2-16: ADU installation, webbed sling attached to the 4 lifting brackets
5. Attach 2 tag lines of suitable length to 2 lifting brackets and man them.
6. With a crane lift the ADU off the wooden platform and move it on top of the ADU
mast. It is important to maintain vertical orientation of the ADU center line .
7. Install the ADU on the mast flange with 4 M12 bolts and washers. Read carefully and
follow instructions given in To ground the ADU on page A-3.
Tightening torque value: 30 Nm.
Always use
all 4 bolts when installing the ADU.
Current antenna
New antenna