Hughes AN6-098P - Manual (Page 10)

• Contents
x
1037312-0001 Revision A
Small hardware parts lists. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Additional parts for J-type radio. . . . . . . . . . . . . . . . . . . . . . .19
Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Chapter 3
Assembling the antenna. . . . . . . . . . . . . . . . . . . . . . . . . .21
Determining the pointing values . . . . . . . . . . . . . . . . . . . . . . . .21
General instructions for assembling the antenna . . . . . . . . . . . .22
Installing the Az/El and reflector bracket assembly. . . . . . . . . .23
Attaching the reflector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Installing the feed support tube . . . . . . . . . . . . . . . . . . . . . . . . .27
Attaching the feed rods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Securing the feed support tube . . . . . . . . . . . . . . . . . . . . . . . .28
Tightening the hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Chapter 4
Installing a J-type radio assembly . . . . . . . . . . . . . . . . .31
Installing a shim for vertical transmit polarization . . . . . . . . . .32
Installing the radio assembly . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Attaching the upper mounting bracket . . . . . . . . . . . . . . . . . .36
Attaching the feed horn and transition to the radio assembly 37
Mounting the radio assembly on the feed support tube . . . . .39
Chapter 5
Installing a cradle-type radio assembly . . . . . . . . . . . . .43
Installing the radio assembly . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Attaching the feed horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Mounting the radio assembly on the feed support tube . . . . .45
Setting polarization for the cradle-type radio. . . . . . . . . . . . . . .47
Calculating the radio polarization setting. . . . . . . . . . . . . . . .47
For a horizontal uplink /vertical downlink . . . . . . . . . . . . .47
For a vertical uplink / horizontal downlink. . . . . . . . . . . . .47
Setting the radio polarization . . . . . . . . . . . . . . . . . . . . . . . . .48
Chapter 6
Cabling and connections . . . . . . . . . . . . . . . . . . . . . . . . .49
Previous cabling work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Routing the cables at the ODU. . . . . . . . . . . . . . . . . . . . . . . . . .50
Ground connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Connecting the transmit and receive cables . . . . . . . . . . . . . . . .52
Transmit cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Receive cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54