Trane QFNA-IOM-1 Fan User Manual


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Installation—QFan
16 FNA-IOM-1
Unit
Size
TipClearance
(Inches)
16
19
.030to.075
.030to.075
21
24
.030to.075
.030to.075
27
30
.035to.080
.040to.085
33
46
.045to.090
.050to.095
40
44
.055to.100
.065to.110
Table3—TipClearanceBetween
WheelandHousingClass1,2
and3
BoltDia.
(Inches)
TorqueFt/Lb
1/4 6
5/16 12
3/8 24
7/16 52
1/2 69
9/16 99
5/8 150
Table4—RecommendedTorquesfor
WheelBolts(WheelBoltsareonFanSizes
(49-60Only)
BoltDia.
(Inches)
TorqueFt/Lb
1/4 6
5/16 12
3/8 20
7/16 43
1/2 58
9/16 76
5/8 115
3/4 195
Table5—NutandBoltTorque
RequirementsforFanHousing
andBearingSupports
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