Trane QFNA-IOM-1 Fan User Manual


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Caution:
Whenthecustomerisproviding
drivesand/ormotor,theTrane
Companywillnotassumeany
responsibilityfordamages
occurringduetoselected
drivesormotors.
InstallationofMotorand
BeltguardWhenNOT
FactoryInstalled
Arrangement9
1. Removethebeltguardfrom
theshippingposition.Remove
thescrewsontwosidesalong
theedge(thenumbervaries
withthefansize).Lifttheguard
off.
2. Ifneeded,repositionthebelt
tightenertocorrespondtothe
specificbeltlengthandmotor
frame(drivecenterline).(See
Figure3).
3. Tomountthemotor,firstturn
theadjustingscrewsforthe
belttightener(anglesorbase
plate)downasfaraspossible.
4. Boltthemotortothebelt
tightener.Beforefinal
tightening,centerthemotoron
thebelttightener.
5. Checkthemotorrotationtobe
surethefanwillrotateinthe
directionshowninFigure4
whenthedriveisinstalled.
6. Disassemblethebeltguardby
removingtheclipsorscrews
thatholdthefrontandrear
panelstogether.SeeFigure5.
Sliptherearpanelassemblyof
thebeltguardovertheshaftso
thattheshaftprotrudes
throughtherubberblock-offto
beltguard.Onfanssizes
49-60,securetherubber
block-offbyputtingacrimpin
theslotsholdingblock-offto
beltguard.SeeFigure6.
Locatetheedgeoftherear
panelassemblyongasketing
approximately1/4"fromthe
drivehole.RefertoFigure7.
Centertherearpaneloverthe
driveholeintheshelland
securewiththeself-drilling
screwsprovidedasshownin
Figure8.
Arrangement1
Removethemotorpedestal
supportandbeltguardfromthe
topoftheunitandboltthe“F”
shapedpedestalsupporttothe
unitasillustratedinFigure2.
Mountsliderailbasetopedestal.
Boltthemotortothesliderail
base.Disassemblethebeltguard
byremovingtheself-tapping
screws.Sliptherearside
assemblyofthebeltguardover
themotorshaftsothattheshaft
protrudesthroughtherubber
block-off.SeeFigure6.Locatethe
edgeoftherearsideassemblyof
thebeltguardongasketing
approximately1/4"fromtheedge
ofthedriveholeinthefanshell.
Themotorshouldbeascloseto
thefanshaftcenterlineasthe
sliderailbasewillpermit.
Fastenthefrontsideassemblyof
thebeltguardtotherearside
assemblyalreadyinplaceonthe
unitwiththeself-tappingscrews
provided.Thepolyurethane
gasketmustremaininposition
duringthisoperation.Drillpilot
holesintheshellusingthefront
sideassemblyasatemplateand
attachtotheshellwithscrews
provedinFigure8.Attachsupport
legandanglewithscrews
provided.
Installation—QFan
12 QFNA-IOM-1
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