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2. Lay the corrosion-proof rubber mat (supplied) on the mounting platform, aligning the holes on
the rubber mat with the fixing holes on the mounting platform.
3. Lay the antenna unit on the rubber mat, orienting it so the cable gland is directed toward ship's
bow. Remove the lifting fixtures and collars.
4. Fix the antenna base to the mounting platform with four M12×70 hex bolts, nuts, washers and
seal washers (supplied).
5. Arrange the ground point at a location on the mounting platform that is within 300 mm from the
ground terminal on the antenna unit. Fasten the ground wire (RW-4747, 340 mm) there, using
the M6×25 hex bolt, nut and washers.
6. Connect the other end of the ground wire to the ground terminal on the antenna unit.
7. Coat the ground terminal, ground point on the mounting platform and fixing bolts on the
antenna unit with anticorrosive sealant (supplied).
Mounting the antenna unit
Seal
washer
Corrosion-
proof
rubber
mat
Use two nuts.
(Torque: 63.5 Nm)
Fasten ground wire and then
coat with anitcorrosive sealant.
Ground wire
Antenna chassis
Hex bolt
OR
Ground wire
Coat with
anticorrosive
sealant.
Ground wire
Welding
Hex nut
Ground terminal provided on antenna base.
Lay corrosion-proof rubber mat,
bolt antenna unit to mounting
location, and coat exposed
hardware with anticorrosive sealant.
Arrange ground terminal as close
as possible to antenna unit.
Hex bolt
Flat washer
Hex nut
Spring washer
Flat washer
Flat washer
G1_1/4-A
Ground terminal
Spring washer