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Chapter 2 • Antenna parts and required tools
20
1037312-0001 Revision A
Tools
Table 4 lists the tools required to install and point the antenna.
See the HN System Antenna Site Preparation and Mount
Installation Guide (1035678-0001) for a more complete list of
tools and items that may be needed for installation.
Table 5 specifies the correct tool size for each hardware size
included in the antenna kit:
Table 4: Tools required to install and point the antenna
Tool Details
(2) 7/16-inch
combination wrenches *
For ¼-inch bolts. Some nuts and bolts require a second wrench
to prevent turning.
(2) ½-inch combination
wrenches *
For 5/16-inch bolts. Two of the canister nuts are not accessible
with a socket wrench. Some nuts and bolts require a second
wrench to prevent turning.
Torque wrench With ½-inch and 7/16-inch sockets capable of torquing to 15 ft-lb.
M7 hex key For J-type radio.
7/64-inch hex key For cradle-type radio. The 7/64-inch hex key is included in the
antenna kit.
Long-shaft hexagonal
ball driver, 3-mm
For socket-head cap screws (Allen screws) with a 3-mm
hexagonal socket. Driver shaft should be at least 5 inches long.
(Recommended for attaching or removing the J-type radio
assembly to or from the waveguide transition. A short-arm hex
key is provided with the screws, but the long-shaft ball driver is
much easier. The long-shaft ball driver cannot be used for the
cradle-type radio.)
Torque wrench for
hexagonal socket
Must fit a 3-mm hexagonal socket and be capable of torquing to
15 inch-lb.
Bubble level Used to make sure the mast is plumb.
Compass Hand-held, magnetic.
Pencil Carpenter’s pencil.
Outdoor pointing
interface (OPI)
Optional. Hughes P/N 1031393-0002. Portable repeater that
displays signal strength values during antenna pointing. For
additional information, see
Installing the OPI on page 58.
Ladder If needed.
* A socket wrench with 7/16-inch and ½-inch sockets makes some tasks easier, but for some
nuts or bolts there is not enough clearance to use a socket wrench.
Table 5: Tool sizes matched to hardware sizes
Hardware size Tool size
¼-inch 7/16-inch
5/16-inch ½-inch
#6-32 socket-head cap screw 7/64-inch hex key
M4 x 20 mm screw M7 key wrench