3M Company OPTICOMGPS1 Manuel D’Utilisation

 

1.  Remove the nut and washer from the 

Radio/GPS antenna. 

2.  Drill a 5/8 to 3/4-inch hole.  See Figure 5-3. 

3.  Route the cables through the hole. And replace 

the lock washer and nut. 

4.  Tighten the nut with a15/16” wrench (a 24 

mm wrench may be used if a 15/16’ wrench is 
not available) 

5.  Apply silicone RTV (not provided) around the 

antenna if the roof curvature prevents a good 
seal with the antenna’s built-in gasket. 

6.  If necessary an alternate mounting bracket is 

available for mounting on vehicle mirrors and 
vertical posts.  This bracket is available from 
Mobile Mark Communications Antennas 
(www.mobilemark.com, 1-800-648-2800). 
The part number is SM-MM, price is 
approximately $15. 

 

 

 

1.  Vehicle radio/GPS antenna 

4.  Radio and GPS antenna cables 

2.  Vehicle mounting surface 

5.  5/8 to 3/4-inch mounting hole 

3.  Antenna nut 

6.  Antenna lock washer