User's Guide

25
Installing Above Deck Unit (ADU)
4.6 Mounting Antenna on Surface
1. Bring M12 x 30L Hex Bolt sets (4 ea, customer supplied).
2. Place the antenna on the surface and align the mounting holes of the antenna with those of the surface.
3. Before assembling bolts, apply Loctite #263 to the bolt threads to ensure the bolts are fastened firmly.
Insert the bolts and washers from under the mast into the radome, and lightly tighten them by hand into
the built-in nuts on the bottom of radome. Install 4 bolts in a criss-cross sequence as shown in the
figure.
4. After installing all 4 bolt sets, fully tighten the bolts using a torque wrench.
5. After mounting the antenna on the surface, remove the lifting strap.
Figure 10: Installing Sequence of Bolts
Figure 11: Installing Bolts for Mounting Antenna
NOTE
Make sure the cable from BDU is aligned with the cable connector on the bottom of antenna for
stable connection.
Refer to "10.2 Appendix B. Tightening Torque Specification" on page 47 for the bolt tightening
torque.
WARNING
If a bolt does not fit into the mounting hole when installing the bolt by hand, stop installing and
check the bolt size. DO NOT tighten the bolts forcefully. It may cause damage to the inner
threads of the mounting holes of antenna. In this case, the damage is not covered by the
warranty.
1-1 2-2
2-1 1-2
(separate
purchase)
M12 Flat Washer
M12 Spring Washer
M12 x 30L
Hex. Bolt (BUMAX)
Use a torque wrench.