Figure 135: Adjustment of pulleys via threaded rods
In case of various pulley widths, the gap must be equal on both sides.
The belt drive is to re-tension the first time after about 10 hours.
Belt tension
The correct tension of the belt is obtained if you have the same data as calculated (separate-
ly for each drive). The necessary information to tension new and used belt can be found on
the tensioning data sheet, which is on the inside of the fan door (Figure 136).
Figure 136: Belt transmission and tensioning data sheet
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