Trane QFNA-IOM-1 Fan User Manual


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28 QFNA-IOM-1
BearingService
Figure15—Link-BeltSeries6800Spherical
RollerBearing
Figure16—CheckBearingClearance
Table13—RecommendedCapNutandCapBoltTighteningTorquesfor
Link-Belt6800SeriesBearings(CastIronPillowBlocks)
PillowBlockRange BoreSize(Inches) TorqueFt/Lb
P-LB6823thruP-LB6840 1-7/16-2-1/2 45-50
P-LB6841thruP-LB6852 2-9/16-3-1/4 90-100
P-LB6853thruP-LB6856 3-5/16-3-1/2 160-180
P-LB6857thruP-LB6864 3-9/16-4 90-100
P-LB6865thruP-LB6872 4-1/16-4-1/2 160-180
P-LB6873thruP-LB68104 4-9/16-6-1/2 400-440
Figure18—UsingaBrassBarandHammer
toRelieveThreadPressure
Figure17—TighteningtheLockNut
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