Cod. 985719 – 00 / July 2004
10
• when tightening the screws, do not bend frames, fixing feet and sideplates. Avoid overloads that can compromise
the correct functioning of the fan
• Fix the fan on a plane base. The shaft must always be in horizontal position to avoid axial loads on bearings and
anomalous vibrations. Do not use the fan with the shaft in vertical position
• We suggest the use of antivibration mountings to isolate the system motor-fan from the machine structure. Motor
and fan must be fixed on a common base to avoid relative displacement which can create misalignment between
the pulleys
• If the fan is to be connected to a duct, we suggest the use of a flexible connection flange to compensate
misalignment between the outlet and the duct and avoid vibrations
• Make sure that the duct is as closely aligned as possible with the fan outlet
• Use gaskets to avoid losses
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