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Icom MR-1220 Series User Manual

Icom MR-1220 Series
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51
9
INSTALLATION AND CONNECTIONS
Installing the scanner unit (Open array types)
D Attaching the antenna unit
1. Spread the supplied silicon sealant onto the top of
the antenna mount.
Spread the silicon sealant
on only the gray area.
Keep 5 mm (
3
16 inch)
away from the groove.
2. Carefully place the antenna onto the mount so
that the rotor ring and pin go into the hole in the
antenna. If necessary, move the antenna slightly
back and forth on the mount to align the bold
holes. The antenna will drop slightly into place.
3. Slide the flat and Belleville washers and a sealing
washer onto the supplied bolt (M8 x 18 mm), and
then put the silicon sealant on the bolt. (4 bolts)
L Be sure to install the Belleville washer in the
direction, shown below.
Sealing washer (T)
Flat washer (AW)
Flat washer (M8)
Belleville washer (8L)
(install in this direction)
Bolt (M8×18 mm)
Put the silicon sealant
on the bolt
4. Insert and tighten the 4 bolts using the wrench.
5. Wipe off any excess silicon sealant.
Antenna
Rotor
Antenna mount
Bolt
Allen
wrench
8. Tighten the sealing-nut.
DO NOT install the system cable in tension. It
may cause contact failure.
9. Close the scanner cover, and then tighten the four
bolts on the bottom of the scanner body to secure
the cover. (Torque: 9.8 N•m, 7.23 lbf•ft)

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Icom MR-1220 Series Specifications

General IconGeneral
BrandIcom
ModelMR-1220 Series
CategoryMarine Radar
LanguageEnglish

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