22.03.2015 Views

Training, Installation & Service Manual - Livewire Connections Ltd

Training, Installation & Service Manual - Livewire Connections Ltd

Training, Installation & Service Manual - Livewire Connections Ltd

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Site preparation<br />

3.2.6 ADU mast design: Foundation and height<br />

The ADU mast must be designed to carry the weight of the ADU unit,<br />

which is 135 kg (+ the weight of the mast flange). The mast must<br />

also be able to withstand on-board vibrations and wind speeds up<br />

to 110 knots on the radome, even in icing conditions.<br />

3.2.6.1 ADU mast flange<br />

Fit the top of the ADU mast with a flange with clearance holes<br />

matching the bushings in the radome and with minimum 4 gusset<br />

plates. No center hole is necessary in the flange.<br />

• Flange thickness: Minimum 15 mm.<br />

• 4 gusset plates: Minimum 15 mm thick, must be placed close<br />

to the holes in the mounting plate and evenly distributed.<br />

Gusset plates<br />

(15 mm thick) 15 mm<br />

Figure 3-6: ADU mast flange, top and side view<br />

Recommended flatness on the mast mount plateau is below 3,0 mm.<br />

Figure 3-7: ADU mast flange, recommended flatness on the mast mount plateau<br />

3-8 Chapter 3: <strong>Installation</strong> 98-133966-E2

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!