Andrew 7.3-METER EARTH STATION ANTENNA ES73 - Manual (Page 39)

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Installation Procedures
Step 5
Install back strut members to reflector segment tee section as shown in Figure 48. Use
minimum torque to tighten hardware connecting back strut to reflector segment, reflector
segment to upper drum ring assembly and back strut to lower ring drum assembly.
•
Use 1/2 x 1-1/2 in (38 mm) bolt, lockwasher and nut
Note: Tighten only until lock washers are flattened.
Figure 48