Users Manual Part 2

1. INSTALLATION
1-15
Method 2
Fasten the belt sling to a shackle, pass the belt sling around the antenna support and
fasten the other end of the belt sling to the other shackle.
1.2.4 How to fasten the antenna unit to the mounting platform
1. Construct a suitable mounting platform referring to the outline drawing at the back
of this manual.
Note: The mounting platform must be flat, level and firmly secured.
• The diameter of the mast for fixing the antenna unit platform must be over 250
mm.
• The thickness of the antenna unit platform must be over 15 mm.
• The reinforcement ribs must be installed diagonally shown in the following fig-
ure.
2. Referring to the outline drawing, drill four mounting holes (16 mm) in the mount-
ing platform.
3. Place the antenna unit on the mounting platform, then orient the unit so the bow
mark on its base is facing the ship’s bow.
Note: When the antenna unit is placed on the platform, make sure that the plat-
form is not inclined.
4. Fasten the antenna unit to the mounting platform with M1270 hex bolts, nuts, flat
washers, spring washers and seal washers (supplied). The torque must be 49
N•m. Fasten the double nuts, referring to "How to fasten double nuts" on page 1-
9.
Note: The bolts can also be inserted from the underside of the platform.
Note: Pass the belt sling
around the
Antenna Support.
Antenna supportAntenna support
Shackle
(left, right)
Shackle
(left, right)
Lifting fixture
(ø20)
Lifting fixture
(ø20)
Bow side UP
Belt slingBelt sling
FRONT
Bow mark (▼)