Furuno 1623 - Manual (Page 31)

3. INSTALLATION
23
3. Using the hexagon head bolts, flat
washers and spring washers removed at
step 1, fasten the antenna unit to the
platform. The torque should be 19.6-24.5
N
• m.
Flat
washer
Antenna
base
Spring
washer
Platform
Hexagon head bolt
(M10 x 20 or M10 x 25)
*t
Effective
thread
length
15 mm
*t: Platform thickness Bolt to use
5 mm or less: M10 x 20
5-10 mm: M10 x 25
over 10 mm: locally supplied bolts
Apply silicone
sealant.
How to fasten the antenna
unit to the platform
4. Unfasten three screws to open the cover.
Release the cable of the rotation detector
from the cable clamp.
Cable
clamp
Rotation
detector
Cable
entrance
Antenna unit, cover removed, top view
5. Referring to the illustration at the top of
the next column for location, unfasten 11
screws to dismount the shield plate.
Discard the screw circled in the
illustration.
Shield plate
Discard this
screw.
Antenna unit, cover removed, top view
6. Pass the antenna cable with connector
through the gasket and cable clamp, and
then tighten cable gland. Two gaskets are
supplied: one gray, one black. Use the
proper gasket according to antenna cable
used, referring to the illustration below.
67
φ 12
49
φ 11
Use gray gasket.
Use black gasket.
Gasket (See below for
type to use.)
Rubber
Gasket
Cable Gland
Antenna unit, top view