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2
Mounting on a platform
1. Remove mounting hardware at the bottom
of the antenna unit; four each of hex bolts
(M10X20), spring washers and flat washers.
Save mounting hardware to use it to fix the
antenna unit to the mounting platform later
on.
Flat washer
Spring washer
Hex bolt (M10 x 20)
Screws
two screws on other side
Bow
Stern
Figure 3 Antenna unit, showing location of
mounting hardware
2. Construct a platform (wood, steel, or
aluminum) of 5–10 mm in thickness
referring to the outline drawing at back of
this manual. Fasten the platform to the
mounting location. Next, position the base
so the cable entrance faces the stern
direction.
Note:
When drilling holes in the platform,
be sure they are parallel with the fore and
aft line.
3. Using the hex bolts, flat washers and
spring washers removed at step 1, fasten
the base to the platform.
The torque
should be between 19.6-24.5 N•
••
•m.
Note:
Longer hex bolts (M10X25) are
supplied with the installation materials. Use
them instead of the hex bolts removed
earlier if the mounting platform is very thick.
Flat
washer
Antenna base
assy.
Spring
washer
Platform
Hex bolt
(M10 x 25
or M10 x 20)
Transceiver
module
5-10
10-15
mm: M10x20
mm: M10x25
Figure 4 How to fasten the base to platform
4. Unfasten four screws to remove the cover.
Discard the packing material in the
radome.
Remove and discard
the packing material.
Snap holder
Figure 5 Antenna unit, inside view
The mounting base is fitted with a snap
holder. which may be used to hang the
cover after removal. Use the hole next to
screw hole inside the cover to hang it.
a) Unfasten the snap assy. with the string
attached at the holder in the mounting
base.
b) Unwind the string.
c) Attach the snap to a screw hole on the
inside of the cover.
Note:
Do not hang any other objects with the
snap.
5. Unfasten the cable of the rotation detector
from the cable clamps.
6. Unfasten 11 screws to dismount the shield
plate. Discard screw marked with
in the
Figure 6.