TM 11-5840-281-12-1
4-11.
ELEVATION ANTENNA ASSEMBLY. (CONT)
WARNING
Elevation antenna weighs 227 pounds (103 kg). To prevent personal injury, do not attempt to lift without
necessary manpower or lifting device with suitable weight capacity.
CAUTION
Take care not to disturb clamp when handling elevation horn and polarizer. If clamp is disturbed, feed
beams on antenna.
1.
Using six screws (1), lockwashers (2), and flat washers (3), assemble three elevation horn and polarizer support
arms (4, 5, and 6) on elevation horn and polarizer (7).
2.
Temporarily remove clamp (8) from mounting bracket (9) on elevation horn and polarizer (7) by removing two
screws (10), hex nuts (11), lockwashers (12), and flat washers (13).
3.
Position support arm (5) in recess of mounting bracket (9) and replace clamp (8) removed in Step 2.
4.
Attach each support arm (4, 5, and 6) to elevation antenna (14) by inserting alinement ball (15) into plughole (16)
and tightening coupling nut (17) with 1 112-inch open-end wrench.
5.
Using two clamps (18), attach cable (19) to support arm (5).
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