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1. Apply lubricant on gasket ⑤ of the antenna interface of the hybrid coupler. (Note: End face ④ should not be
applied with lubricant.)
2. Apply anti-seize grease to the four M6 captive screws ③ of the hybrid coupler.
3. Slide guide pin ② of the hybrid coupler into guide trough ①, and then install the hybrid coupler onto the antenna.
4. Screw the four M6 captive screws ③ of the hybrid coupler part way in and then tighten them cornerwise.
b
Installing the Hybrid coupler on the Antenna
Installing the Hybrid Coupler on the Antenna
The direction of the waveguide cavity of the antenna feeder
must be the same as that of the waveguide cavity on the
antenna interface of the hybrid coupler.
Installing the ODU
①
③
⑤
④
②
Apply lubricant on gasket ⑤ .
Do not apply lubricant on end
face ④.
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