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1.3.2 Mounting antenna unit of MODEL 1742/1742C
1. The standard mounting method provides that, the antenna upper housing (“lid”) opens
toward the bow. However, the antenna unit may be mounted so the antenna upper
housing opens toward the stern. No modifications are required for the former method,
however some modification is required for the latter.
Ship's Bow Ship's Bow
(a) Standard (b) Alternative
Mounting of antenna unit
2. Drill four bolts holes (Ø12mm) and one cable entry hole (Ø 25mm) in the radar mast
platform or the deck by using the full-sized template.
3. Prepare locally four M10 hex. bolts, flat washers and spring washers for fixing the
antenna housing. The length of the bolt depends on the thickness of the radar mast
platform or the deck.
Bolt to be prepared locally
Platform thickness Bolt size
Less than 5 mm M10x20
Between 5 and 10 mm M10x25
Between 10 and 15 mm M10x30
Between 15 and 10 mm M10x35
4. Place the antenna housing on the chosen position, and orient it as shown in above.