Installation Guide

7
GATE QUALIFICATIONS/APPLICATIONS
TheSentrygateopenerisdesignedandratedforvehicularclassI,II,IIIorIVswinggatesupto20
feetinlength.Maximumgateloadnottoexceed400poundsand20feetinlength.
TheSentryGateOpenerisrecommendedforGatesthatmeetthefollowingdescriptions:
TheSentrygateopenerisdesignedandsuppliedwithuniversalmountingbracketstotmosttypes
ofgateinstallations.Hingepostfrom23/8”to6”roundorsquarecanbeusedwiththeincluded
universalmountinghardware.
Chain Link Gate
16feetmaxlength
Maxweight350lbs.
Farm Gate
20feetmaxlength
Maxweight300lbs.
Ranch Gate
14feetmaxlength
Maxweight400lbs.
Ornamental Iron
12feetmaxlength
Maxweight400lbs.
PROPER GATE DESIGN
IMPORTANT- A GATE OPENER CANNOT OVERCOME A POORLY DESIGNED GATE.
Since the gate is a major component of the system, great care and concern must be given to
the gate design. USAutomatic,LTDisnotresponsibleforanydamagetoagateinwhichthegate
openerisinstalled.Apoorlyinstalledormisadjustedgatecouldbedamaged.Itistheresponsibility
oftheinstallertoverifypropergateinstallationpriortoopenerinstallation. Asageneralrule,agate,
whichistobeautomaticallyoperated,mustbestrongerandsmootherthanoneoperatedmanually.
• Doesthegateswingsmoothlywithoutbindsorexcessiveresistance?
• Swinggatesshouldswinglevelandplumbtopreventtheopenerfromhaving
toliftthegateopenorclosed.
• Swinggatesshouldnotrequireawheeltosupportthem.Wheelscreatedrag,
whichwillcauseopenerproblems.Awheelisgenerallyasignofaweakhinge
systemoraweakgateframe.
• Isthegateframeofsubstantialstrengthwithoutexcessiveweight?
• Willtheframewithstandnormalwindloadconditionswithoutswayorvibration?
• Willthegateclosecorrectlywithoutbeinghand-guidedorliftedtoclose?
• Arethehingessuitedforanautomaticgateopener?Werecommendbearing
typehingestoreducefrictiondrag.
• Willareinforcementbraceberequiredtoattachthelinearactuatortothegate
ordoesasuitablecrossmemberexistinthegatedesign?
If any of these problems exist, they must be corrected to achieve a reliable automatic gate system.