Page 15
LGH/LCH036, 048, 060, 072
3- Measure belt deflection force. For a used belt, the
deflection force should be 5 lbs. (35kPa). A new belt
deflection force should be 7 lbs. (48kPa).
A force below these values indicates an
undertensioned belt. A force above these values
indicates an overtensioned belt.
H-Field-Furnished Blower Drives
For field-furnished blower drives, use page 19 through 26
to determine BHP and RPM required. Reference Page 27
to determine the drive kit number. Reference table 6 for
manufacturer's drive numbers.
FIGURE 23
ADJUST BELT TENSIONER
MAXIMUM
TENSION
MINIMUM
TENSION
INDICATOR SHOULD BE
BETWEEN MINIMUM AND
MAXIMUM TENSION LINES
FACTORY-SET
POSITION
TIGHTER
BELT
POSITION
TENSIONER
TIGHTEST
BELT
POSITION
BRACKET
INSTALL BELT
FIGURE 24
1
2
3
4
TENSIONER
DRIVER
PULLEY
DRIVEN
PULLEY
ROTATE DRIVEN
PULLEY TO SEAT BELT
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