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concealed - Truth Hardware

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15<br />

TRADITIONAL STYLE<br />

SINGLE ARM OPERATOR<br />

4. Operatortorquecanbekepttoa<br />

minimumbyusingthelongestpossible<br />

armthatwillfitbetweenthesidejambs.<br />

5. RecommendedrangeforDimension<br />

“X”is.250"(6.4mm)to1.000"<br />

(25.4mm).<br />

6. Selectingthelongestoperatorarm<br />

possibleandminimizingdimensions<br />

“X”and“C”willresultinbest<br />

operatorperformance.<br />

7. Armlengthsshorterthan9.5"will<br />

notalloweasyoperationofawindow<br />

to90˚unlessusedwith<strong>Truth</strong>’s#14.77<br />

hinge.<br />

8. Whenusedinhighriseapplications<br />

ofovertwostories,<strong>Truth</strong>recommends<br />

usingaLimitDevice(orseeTip10).<br />

9. Forlimitedopeningapplications,<br />

<strong>Truth</strong>recommendsusing#31727Track.<br />

10.Thisoperatormaybemounted<br />

closertothelocksideofthewindowto<br />

effectivelylimitopeningandimprove<br />

cornerpull-inperformance.<br />

11. Asplinecap(#21306)isavailable<br />

toprotecttheoperatorsplinesfromdirt<br />

andotherwindowsfromdamage<br />

duringshipping,installation,andfinal<br />

buildingconstruction.<br />

12.<strong>Truth</strong>recommendsthataSnubber<br />

beusedatthecenterofthehingeside<br />

onanycasementwindowwhichhasa<br />

tendencytobowoutwardlyatthe<br />

center intheclosedposition.Addinga<br />

Snubbermayincreasethenegativeair<br />

pressureratingofacasementwindow.<br />

13.The<strong>Truth</strong>SingleArmOperator<br />

workswellwithaButtHinge.Always<br />

useanoperatorwiththelongestarm<br />

possibleforbestoperation.<br />

14.Foraccuratehardwareplacementin<br />

vinylormetalapplications,pre-drilling<br />

ofthewindowprofileisrecommended.<br />

15.Forvinylwindowapplications,<br />

mountingscrewsshouldpassthrough<br />

twoPVCwalls,oronePVCwalland<br />

oneinsertwall.Forthisreason,itmay<br />

benecessarytousealongerscrewthan<br />

isrecommended.<br />

16.Formetalwindowprofiles,<strong>Truth</strong><br />

recommendsmachinescrews.<br />

However,inmostapplications,sheet<br />

metalscrewswillprovideadequate<br />

holdingpower.<br />

17.Whenselectingmountingscrews<br />

for<strong>Truth</strong>hardware,coating<br />

compatibilityisoneofthemost<br />

importantcriteria.Forbestcorrosion<br />

resistancethecoatingonthescrews<br />

shouldbethesameasthecoatingon<br />

thehardware.Formoreinformation<br />

seeTechNote#11.<br />

18.SingleArmOperatorsdonotwork<br />

wellwith4-BarHingesunlessthe<br />

4-BarHingeisanegresshinge.Ifa<br />

4-BarHingeotherthananegresshinge<br />

isrequired,a<strong>Truth</strong>Dyadisthebest<br />

choice.<br />

INCLUDE TRUTH SPECS ON<br />

YOUR NEXT WINDOW PROJECT<br />

Windowoperatorsshallbeprovided<br />

whichalloweasyadjustmentof<br />

windowposition.Themechanism<br />

shouldbecrankoperatedandprovide<br />

smoothoperationofegressorbutt<br />

hinges.Connectiontothemovable<br />

sashmustbeeasilydetachablefor<br />

windowcleaningandmaintenance.<br />

Windowoperatorswillbeofsingle<br />

pusharmdesigndrivenbyahand<br />

crank. Theoperatormustbe<br />

constructedof<br />

E-Gard®components,hardenedsteel<br />

wormandgeararmandhighpressure<br />

zincalloydiecastbase.<br />

WindowOperatorsshallbe15series<br />

SingleArmOperatorasmanufactured<br />

by<strong>Truth</strong><strong>Hardware</strong>,Owatonna,MN.<br />

34a

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