Furuno 1715 - Manual (Page 31)

3. INSTALLATION
23
3. Use the flat washers and spring washers
removed earlier and appropriate hex bolts
(see the illustration below) to fasten the
antenna unit to the platform.
The torque
should be between 19.6-24.5 N //// m.
Flat
washer
Antenna base
assy.
Spring
washer
Platform
Hex bolt
(M10 x 25
or M10 x 20)
Apply silicone
sealant.
Platform thickness Bolt to use
5 mm or less: M10 x 20
5-10 mm: M10 x 25
over 10 mm: locally supplied bolts
*1
*1:
How to fasten the antenna base to platform
4. Unfasten four screws to open the cover.
Remove and discard the packing material
inside the radome.
Remove and
discard the
packing material.
Snap holder
Antenna unit, inside view
The antenna base is fitted with a snap holder,
which may be used to hang the cover after
removal. Use the hole next to the screw hole
inside the cover to hang it.
a) Unfasten the snap assy. with the string
attached at the holder in the antenna
base.
b) Unwind the string.
c) Attach the snap to the screw hole on the
inside of the cover.
Note: Do not use the snap holder to hang
objects other than the cover.
5. Release the cable of the rotation detector
from the cable clamp.
6. Unfasten 11 screws to dismount the
shield plate.
Caution
Cable clamp
Rotation detector
Shield plate
7. Pass the antenna cable with connector
through the gasket and cable clamp, and
then tighten the cable gland.
Note: Two gaskets are supplied: one gray,
one black. Use the proper gasket
according to antenna cable used,
referring to the illustration below.
Antenna cable and gasket to use
67
φ
12
Use black gasket.
49
φ
11
Use gray gasket.