(14) Position waveguide (3) at open
(6) Connect connector P1004 from azimuth
waveguide on azimuth antenna yoke and secure in place
horn and polarizer cable to J1004.
with waveguide coupler.
(15) Position adapter (5) and preformed
3-53. Removal and Replacement of Azimuth Antenna
packing (4) between waveguide (3) and azimuth horn
Drive TG-1 13/TPN-8
and polarizer waveguide.
(16) Secure waveguide (3) and adapter (5)
to azimuth horn and polarizer waveguide using four
a. Removal. To remove the azimuth Antenna
screws (1) and lockwashers (2).
Drive TG-113/TPN-8, proceed as follows:
(1) Disconnect connector P1001 from
J1001 on azimuth antenna drive.
(2) Disconnect connector P107 from J107
Wire rope assembly from cover (7) should be
secured under one of the screws (1).
(3) Remove cable assembly W3501 (27)
from radar set group.
3-52. Removal and Replacement of Azimuth Antenna
(4) Install connector cover on J1001 and
AS-1292/TPN-8 and Yoke
(5) Disconnect connector P1003 from
J1003 on azimuth antenna drive.
a. Removal. To remove azimuth Antenna AS-
(6) Disconnect connector P108 from J108
1292/TPN-8 and Yoke, proceed as follows:
(1) Disconnect connector P1004 from
(7) Remove cable assembly W3502 (28)
J1004 on azimuth antenna drive.
from radar set group.
(2) Install connector cover on connector
(8) Install connector covers on J1003 and
(3) Release clamp holding azimuth horn
(9) Remove four screws (29) and
and polarizer cable to yoke.
(4) Release latches holding azimuth
(10) Release waveguide coupler on
antenna to yoke.
azimuth antenna drive and remove elbow waveguide
(5) Remove azimuth antenna (22) from
(31) and preformed packing (32).
(11) Install cover over open azimuth
antenna drive waveguide and secure in place with
(24), and flat washers (25).
(7) Remove azimuth antenna yoke (26)
from azimuth antenna drive.
b. Replacement. To replace azimuth Antenna
AS-1292/TPN-8 and yoke, proceed as follows:
Preformed packing should be left on open
(1) Position azimuth antenna yoke (26) on
azimuth antenna drive waveguide before cover is
azimuth antenna drive.
(2) Secure azimuth antenna yoke (26) to
azimuth antenna drive using five screws (23), lock-
washers (24), and flat washers (25).
(34), flexible waveguide (35), and preformed packing
(3) Position azimuth antenna (22) on
azimuth antenna yoke (26) and secure in place with
latches on yoke.
(38), directional coupler (39), adapter (40), and two
(4) Secure azimuth horn and polarizer cable
preformed packings (41).
to the azimuth antenna yoke with the clamp provided.
(5) Remove connector cover from
connector J1004 on the azimuth antenna drive.
(15) Leave four studs (43) installed in wave-
(16) Install one preformed packing (41) on