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1. MOUNTING
1-10
Fastening the antenna unit to the mounting platform
See the figure on the next page for antenna unit mounting.
1. Referring to the antenna outline drawing, drill four bolt holes (15 mm diameter) in the
radar mast platform or the deck.
a) The diameter of the mast for fixing the antenna unit platform must be over 15 mm.
b) The thickness of the antenna unit platform must be over 15 mm.
c) The reinforcement rib must be installed diagonally as shown below.
Over 15mm
250mm diameter or more,
6 mm thick or more
Use double nuts.
Ship's bow
Install the reinforcement
rib diagonally.
Bottom view
Installation of reinforcement ribs
2. Place the corrosion-proof rubber mat (supplied) on the mounting platform.
3. Hoist the antenna unit as shown on page 1-9 and place it on the rubber mat. Orient the
cable gland toward the ship’s stern (or port, starboard). Remove the lifting fixtures and
collars.
4. Fix the antenna base to the mounting platform with four M12x70 hex. bolts, nuts,
washers and seal washers (supplied).
5. Arrange the grounding terminal at the nearest grounding spot with the M6x25 hex. bolt,
nut and washers (supplied). Then, fix a ground wire (RW-4747, 340 mm) to the terminal.
6. Connect the other end of the ground wire to the earth terminal of the antenna unit.
7. Coat earth terminal and fixing bolts on the antenna unit with silicone sealant (supplied).