REFLECTOR, SPARS, SUBREFLECTOR, AND FEED INSTALLATION
CHECK
PAGE
_____
Install feed/panel mount brackets, LNA enclosure, and feed/panel mount.
4-1
_____
Clock ring to proper orientation.
4-1
_____
Center and level ring.
4-1
_____
Align 24 pairs of panel mounting holes with truss mounting holes.
4-1
_____
Install LNA enclosure inner ladder and LNA enclosure ladder.
4-1
_____
Install LNA enclosure cover assembly.
4-2
_____
Assemble truss assembly on ground level.
4-4/15
_____
Lift truss assembly and secure to hub.
4-4/17
_____
Assemble and install remaining truss assemblies.
4-6/17
_____
Align truss assemblies using theodolite.
4-6/17
_____
Torque fasteners to values given in manual.
4-7/18
_____
Install and align panels in row A.
4-23
_____
Install and align panels in row B.
4-23
_____
Install and align panels in row C making sure spare panels are in right location.
4-24
_____
Install and align panels in row D (18-meter reflector only).
4-24
_____
Perform final alignment of panels.
4-29
_____
Assemble four spars to spar fitting.
4-31
_____
Attach adjusters, support frame, and mounting frame to subreflector.
4-31
_____
Attach subreflector to spars.
4-32
_____
Lift and secure spar and subreflector assembly to reflector.
4-32
_____
Using theodolite and alignment tool, align subreflector for tilt and lateral adjustment.
4-32
_____
Install domed screw.
4-32
_____ Install
feed.
4-37
_____ Install
waveguide.
4-40
A-4
