BELT
BLOWER
PULLEY
MOTOR
PULLEY
NOT ALIGNED
ALIGNED
TENSIONER
PULLEY ALIGNMENT - WITH TENSIONER
FIGURE 14
E-Check Belt Tension
Over tensioning belts shortens belt and bearing life. Check
1 -
2 - Apply perpendicular force to center of span (X) with
of span length.
.
3 -
A force below these values indicates and under ten-
sioned belt. A force above these values indicates an
over tensioned belt.
MEASURE BELT TENSION
DEFLECTION 1/64” PER INCH OF SPAN
FORCE
FIGURE 15
F-Field-Furnished Blower Drives
See BLOWER DATA tables for blower drives.
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