Andrew ES45T - Manual (Page 10)

Tripod Ground
Mount Assembly
ES45T-T Main
Reflector
Assembly
ES45T-T Back
Structure
Assembly
ES45T Reflector-
to-Mount
Assembly
(With Crane)
Feed Installation
Waveguide/Flex
Section Assembly
Subreflector
Installation
Feed Installation
ˆ
Mount azimuth axis support and rear anchor pads
ˆ
Connect support angles
ˆ
Attach support and elevation pivot assembly to support angles
ˆ
Attach support angles to azimuth axis joint
ˆ
Hoist support and pivot elevation pivot assembly
ˆ
Fasten azimuth axis joints to azimuth axis support
ˆ
Attach elevation strut to azimuth axis joint
ˆ
Attach azimuth strut to appropriate rear pad
ˆ
Remove protective covering from crate
ˆ
Pry top crate panel off
ˆ
Pry sides off crate
ˆ
Pry front off crate
ˆ
Unbolt reflector panels from bottom of crate
ˆ
Prepare assembly area with diameter setting bands and temporary supports
ˆ
Lay reflector segments on prepared assembly area
ˆ
Attach opposite segments to mounting ring hub and diameter setting bands
ˆ
Attach remaining segments to mounting ring hub and original panels
ˆ
Attach reflector rib segments to panel seams
ˆ
Tighten seam hardware in concentric circles around reflector
ˆ
Install center plate and center pad to mounting ring hub
ˆ
Attach feed strut brackets and feed struts
ˆ
Attach tee plates to reflector
ˆ
Attach rib connecting plates to reflector
ˆ
Assemble support angles and pivot brackets for installation
ˆ
Install pivot bracket assemblies
ˆ
Connect pivot brackets with support angle
ˆ
Install two support angles to elevation axis bracket
ˆ
Connect pivot brackets and elevation axis bracket with support angles
ˆ
Tighten hardware using A-325 tensioning procedure
ˆ
Remove diameter setting bands
ˆ
Wrap crane straps around angle between pivot brackets
ˆ
Align pivot brackets with support and elevation pivot assembly
ˆ
Connect pivot brackets with support and elevation pivot assembly
ˆ
Determine required length of elevation strut
ˆ
Connect elevation strut to elevation axis bracket
ˆ
Attach feed struts to feed support assembly
ˆ
Assemble feed horn assembly to network
ˆ
Install feed assembly into feed support
ˆ
Tighten all collar set screws
ˆ
Attach flex section to feed assembly flanges
ˆ
Attach mounting brackets to feed struts
ˆ
Attach flex section to waveguide assembly
ˆ
Tighten all mounting hardware
ˆ
Station two men inside reflector
ˆ
One man attaches subreflector to struts
ˆ
One man supports subreflector
ˆ
Tighten all strut hardware
ˆ
Attach feed assembly to main reflector hub
ˆ
Install OMT inside feed assembly
10
Getting Started