CPI T04CO Installation & Operation Manual page 106

MPA Hub Mount I&O Manual
supported on a flat and leveled position. Verify that all the
waveguide flanges are properly tightened.
G.2.2.1 Steps for installing the subsystem in the hub
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G.2.2.2 Cable Connections
Route cables W1-4 from the back to the front and beneath the
plate. Secure W1 and W2 on the left-hand side and W3 and W4 on
the right-hand side with cable clamps provided at two locations.
Secure W5-W7 to the switch brackets.
Make the cable connections as required in table G-3. Items 8 and 9
are the cables prepared at the system level.
Appendix G-8
Remove the two RF loads with the load brackets from the
plate. Remove the combiner assembly with the three switch
mounting brackets for the plate. Mark the footprints of all
brackets that are removed from the plate.
Install the plate onto the supporting unistruts in the antenna
hub. Verify the plate is leveled.
Install the hybrid combiner assembly to the main plate and
then install the RF loads.
Place the gasket on the output flange to be mated with
waveguide switch S1 or S2.
Caution! Flexible Section
Slide the amplifier into the designated location (PA1 on the
left and PA2 on the right) with the gasket in place until the
amplifier is locked in the bottom sliding bars. Verify that the
output flange is even below the waveguide switch. Start
securing the amplifier by turning the captivating screws on the
mounting brackets. Don't over tighten the screws.
Align the output flange and start tightening the screws a few
turns on a rotational basis until all four screws to switch port 1
are tightened.
Tighten all screws on the mounting brackets to the main plate.
Doc. 01031254 Rev. 1