Antenna preparation
1. Remove and retain the bolts and washers securing the antenna
dome.
2. Remove the antenna dome and retain in a safe place.
Packing
restraint
Packing
restraint
D11564_1
3. Locate and remove the packing restraints from the antenna
assembly.
4. Replace the antenna dome and secure with the bolts retained
at step 1.
Antenna installation procedure
Prepare the mounting surface then fit the antenna.
1. Using adhesive tape, attach the template to the mounting
surface, ensuring that it is parallel to your boat’s center line as
marked on the template.
2. Using a suitable hole saw, remove the shaded center portion.
Drill
hole
,
10 m
m (
4/10
inch
)
diam
eter
in
4 po
sitio
ns
Cut h
ole
,
80 m
m (3
3/20
inch
es)
diam
eter
228.
6 mm
(9 in
ches
)
228.
6 mm
(9 in
ches
)
114.
3 mm
(4
1 /2 inch
es)
114.
3 mm
(4
1/2 inch
es)
Ante
nna
Base
Uni
t
Tem
plat
e
D11451-1
3. Drill four 10 mm holes in the positions indicated.
Drill
hole
,
10 m
m (
4/10
inch
)
diam
eter
in
4 po
sitio
ns
Cut h
ole
,
80 m
m (3
3/20
inch
es)
diam
eter
228.
6 mm
(9 in
ches
)
228.
6 mm
(9 in
ches
)
114.
3 mm
(4
1 /2 inch
es)
114.
3 mm
(4
1/2 inch
es)
Ante
nna
Base
Uni
t
Tem
plat
e
D11452-1
4. Countersink the mounting holes, then smooth the edges of the
center hole with a suitable file, to avoid damage to the mounting
surface.
5. Secure the antenna to the base using bolts, spring washers and
flat washers.
D7956_1
6. Tighten the bolts to a torque of 22.1 ft.lb (30 Nm) to ensure that
the foam sealing ring is compressed to prevent water ingress.
Installing the ACU
Use the two fixing brackets supplied to install the ACU. These
brackets can be fitted to the sides of the unit to provide a top or
bottom fix.
Installation
25
