Andrew ES45T - Manual (Page 9)

Installation
Sequence
Checklist
Site Preparation
Tripod Ground
Mount Assembly
ES45T-R
Main Reflector
Assembly
ES45T-R
Back Structure
Assembly
ES45T Reflector-
to-Mount
Assembly
(With Crane)
Feed Installation
The 4.5-Meter Earth Station Antenna requires the installation team to perform the
assembly in the sequence presented below. Moreover, this sequence should be
reviewed beforehand to ensure a smooth installation. Use the following checklist to veri-
fy and/or determine the installation sequence. Throughout the checklist certain part num-
bers will be used. Those part numbers describe the antenna currently being installed.
The ES45T-R is a receive-only 4.5-Meter Earth Satellite Antenna with a tripod mount.
The ES45T-T is a transmit/ receive 4.5-Meter ESA with a tripod mount.
Refer to Foundation Specifications for guidance in preparing the location and the instal-
lation of the 4.5-Meter Earth Station Antenna foundation.
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 seam hardware to panels
ˆ
Attach retaining bar to mounting ring hub
ˆ
Tighten joining plates in concentric circles around reflector
ˆ
Attach feed strut brackets and feed struts
ˆ
Attach tee plates to reflector
ˆ
Attach plates to reflector
ˆ
Attach support angles to tee plates
ˆ
Attach support angles to plates
ˆ
Connect tee plates and plates with pivot brackets
ˆ
Connect tee plates with elevation axis bracket
ˆ
Connect pivot brackets to elevation axis bracket with support angles
ˆ
Tighten hardware with A-325 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
ˆ
Attach collar to feed horn assembly
ˆ
Install feed horn assembly into feed support
ˆ
Set dimension between center plate and feed horn
9
Getting Started