
Please Note: A qualified structural engineer
should be consulted prior to mounting an
antenna on a tower or support structure.
Instruction Sheet
390469 Rev. F
20150722
(P)519.756.7157
www.tacoantenna.com
MODELSY42XRSCREENREFLECTORYAGIANTENNA
INSTALLATIONINSTRUCTIONS
DESCRIPTION
SY42XRmodelsaredesignedtoprovidehigh‐gainandfront‐to‐backratiosforpoint‐to‐point
service.TwomultielementYagi’s,areflectorscreenandacombiningharnesscomprisetheSY42XR
antennas.Boththeantennasandthecombiningharnessareequippedwith50ohm,threaded"N"type
connectors.
Thisantennamaybemounteddirectlyontoatubularmastofupto4½inchesdiameterwiththe
suppliedhardware.Iftheantennaisbeingmountedonatower,TACOtowermountingkitSY‐M*is
required.
INSTALLATION
AntennaAssemblyandMounting:
1. Carefullyunpacktheantennascreens,feedsandmountinghardware,thenstudytheFigures
showingtherespectivelocationsofthecomponentsonthefinalassemblyinordertobecome
familiarwiththeplacementofeachitem.
2. Assemblethetwohalf‐screensasshowninFigure1,Figure2andFigure3andwrench‐tighten
the12securinghexscrewsandbolts.
3. Assemblethetwocentralmastclampsontotheupperandlowerscreenframeasshownin
Figure1andFigure8.
4. AssemblethefeedontothescreenassemblyasshowninFigure1,Figure4andFigure5;
wrench‐tightenthefeed‐securinghex‐nutsandbolts.
5. AssemblethebracestothescreenassemblyandfeedasshowninFigure1,Figure6andFigure
7;wrench‐tightenthesecuringhexscrewsandnuts,adjustbracesuntiltightthenlockintoplace
bywrench‐tighteningthehexnuts.
6. Assemblethestackingharness(seestackingconfigurations)andattachtoantennabyhand‐
tighteningthe"N"typeconnectors.
7. Carefullylifttheantennaassemblyintoitsdesiredpositiononthemastortower.DONOTallow
theantennatoswingfreelyanddamagethefeed.
8. AssemblethecentralmastclampstothemastasshowninFigure1andFigure8,tighteningthe
clampssufficientlytobeartheweightoftheantenna.
9. Assemblethetower‐legclampasshowninFigure9,locatetheclampverticallysothatitis
alignedwithoneofthecenterframemembersofthescreen,thentightentheclampsufficiently
toholditinplace.