Furuno WR110, Installation Manual

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4.2.4. Mounting and leveling the Antenna Unit
Example: Using a frame type of radar stand to mount the ATU.
Use 4 M16 bolts to fix the ATU to the stand. Do not forget to put M16 Flat washer (L) on the stand holes
before install ATU on it. Adjust ATU level with the following procedure.
Adjust level with using the bubble level installed under the radome. The bubble must be in the center
between lines. If the bubble is on the line or over the line, it means the angle is over 0.3 degrees.
The level adjustment will be completed after all M16 nuts are tightened.
500
500
Bubble level
[mm]
Figure 4.9: Bottom view of the ATU
Bolt
Radome
M16
Nut 3pcs
High nut 1pc
Split lock washer 2pcs
Flat washer 5pcs
Flat washer (L) 1pc
Radar stand
High nut
Internal unit’s base
Radar stand
Flat washer (L)
Flat washer
Lifting fixture
Flat washer
Split lock washer
Nut
Flat washer
Radome
Figure 4.10: M16 bolt
Nut
Flat washer
Split lock washer