Installation Manual

Table Of Contents
14221-1850-4000, Rev. A
41
For a -inch hole, feed the threaded shank of the mount’s bushing assembly into the hole from the
underside of the mounting surface. Hold it in position until the lock nut is installed.
8. If installing a thick-roof antenna mount (⅜-inch shank) into a ¾-inch hole, place the alignment ring
onto the threaded shank of the mount. This ring has an approximate ¾-inch outside diameter.
9. A tube of synthetic lubricant is included with the antenna mount. Apply this lubricant to the mount’s
rubber O-ring. Do not get any lubricant on the center contact of the mount’s bushing assembly.
10. As illustrated in Figure 7-2 and Figure 7-3, add the O-ring (C) and lock nut (D) to the top of the mount’s
bushing assembly (A). With the O-ring in the groove in the underside of the lock nut, thread the lock
nut onto the bushing assembly. Be sure the O-ring remains in the groove before tightening the lock nut.
Figure 7-2: Installing Standard ¾-Inch NMO Antenna Mount AN-125001-002
Figure 7-3: Installing Thick-Roof NMO Antenna Mount AN-125001-004
7.2.2 Installing Magnetic Antenna Mount AN-125001-008 and 12099-0370-01
1. Thoroughly clean the bottom of the magnetic mount and the selected vehicle mounting surface by
removing all dust, dirt, etc.
2. Carefully place the magnet mount onto the metal surface of the vehicle at the selected location. The
coax cable exiting the mount’s base should be orientated towards the point at which it will enter the
interior of the vehicle. Do not try to reposition it by sliding it on a painted metal surface.