Furuno DRS12ACM, Installation Manual

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4
5. Coat the hex bolts (4 pcs.) with silicone sealant. Fasten the antenna radiator to the radiator
bracket with the hex bolts, flat washers and spring washers supplied with the radiator Then,
apply silicone sealant around the junction part between the radiator and bracket.
6. Apply silicone sealant to holes to prevent water ingress.
1.3.2 Mounting the radar sensor
The radar sensor can be mounted using the fixing holes on the outside (200 x 200 mm) or inside
(140 x 150 mm) the radar sensor.
Using outside fixing holes of radar sensor
Use the hex bolts (supplied) to mount the radar sensor as below.
1. Lay the corrosion-proof rubber mat (supplied) on the mounting platform.
Flat washer
Spring washer
Hex bolt
(M8 x 30)
Radiator bracket
Coat bolts with
silicone sealant.
Antenna
radiator
O-ring
Coat threaded
holes with
silicone sealant.
Radiator bracket, bottom view
(four): Holes
where to apply
silicone sealant.
Apply silicone sealant
around the joint part
with the antenna
radiator.
GND terminal
Anticorrosion
rubber
Platform
Cable entry
*
Antenna cable
Vent hole
*
* : Do not caulk/block these holes as they allow the unit to breathe.
If these holes are caulked/blocked, the antenna's internal pressure
becomes negative. Negative pressure causes internal water leakage.