TM 11-5840-281-35/1
(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.
(fig. -43)
(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
NOTE
J1001 on azimuth antenna drive.
(2) Disconnect connector P107 from J107
Wire rope assembly from cover (7) should be
at receiver-transmitter group.
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
J107.
(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:
at receiver-transmitter group.
(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
J1004.
J108.
(3) Release clamp holding azimuth horn
(9) Remove four screws (29) and
and polarizer cable to yoke.
lockwashers (30).
(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).
yoke.
(11) Install cover over open azimuth
(6) Remove five screws (23), lockwashers
antenna drive waveguide and secure in place with
(24), and flat washers (25).
waveguide coupler.
(7) Remove azimuth antenna yoke (26)
from azimuth antenna drive.
NOTE
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.
installed.
(2) Secure azimuth antenna yoke (26) to
azimuth antenna drive using five screws (23), lock-
(12) Remove four screws (33), lockwashers
washers (24), and flat washers (25).
(34), flexible waveguide (35), and preformed packing
(3) Position azimuth antenna (22) on
(36).
azimuth antenna yoke (26) and secure in place with
(13) Remove four nuts (37), lockwashers
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.
(14) Remove dehydrator (42) from adapter
(5) Remove connector cover from
(40).
connector J1004 on the azimuth antenna drive.
(15) Leave four studs (43) installed in wave-
guide at receiver-transmitter group.
(16) Install one preformed packing (41) on
open receiver-transmitter group waveguide.
3-57
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