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:
Belt transmission and tensioning data sheet