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Check all fasteners, re-tighten as required. Rotate the blower wheel by hand to ensure free rotation. If rubbing occurs, loosen the inlet venturi bolts, re-position the venturi to establish clearance, re-tighten bolts. Installation (Fig. 1) The 4 angle brackets provided allow for base or suspension mounting. Suspension Mounting For suspension mounting, move the 4 angle iron mounting brackets to the four upper corners (front & rear or both sides) using the hardware provided, secure the unit t