Furuno FR-2135S Installation Manual page 13

Fastening the scanner unit to the mounting platform
See the figure on the next page for scanner unit mounting.
1. Referring to the scanner outline drawing, drill four bolt holes (15 mm dia.) in the
radar mast platform or the deck.
• The diameter of the mast for fixing the scanner unit platform must be over 15
mm.
• The thickness of the scanner unit platform must be over 15 mm.
• The reinforcement ribs must be installed diagonally as shown below.
Install the reinforcement
ribs diagonally.
Figure 1-5 Installation of reinforcement ribs
2. Place the corrosion-proof rubber mat (supplied) on the mounting platform.
3. Hoist the scanner unit as shown on page 1-3 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 scanner 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 long) to the terminal.
6. Connect the other end of the ground wire to the ground terminal of the scanner
unit.
7. Coat grounding terminal and fixing bolts on the scanner unit with silicone seal-
ant (supplied).
Use two nuts.
250 mm diameter or more,
6 mm thick or more
BOTTOM VIEW
1-5
Over 15 mm
Ship's bow