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VTS reserves the right to implement changes without prior notice
Ventus Air Handling Units
Fig.26. Adjustment of wedge-shaped belts tension
Fig.27. Pulleys adjustment
In order to correct alignment of the motor and fan's shafts you have to accurately locate the motor
onto the stretching panel. If the pulleys' grooves are not aligned, move one of the pulleys (fan or
motor's) along the shaft in order to align the surfaces. This procedure is enabled thanks to the
„Taper-Lock" pull sleeve.
In order to move the pulleys for adjustment or replacement of the pulley with the „Taper-Lock"
sleeves, follow the steps below:
1. remove hexagon-socket screws from the holes marked with ,,A'' (fig. 32 or 33)
2. screw in the same screws into the holes marked with ,,B'' . Keep screwing in the screw till the
pulley and sleeve on the shaft become loose
3. move the sleeve on the motor or fan's shaft pin (in case of replacement remove the sleeve with
the pulley and install a new set)
4. Screw in again the screws into the holes marked with ,,A'' till a refusal