Hog Slat Inc. Newton Grove, NC USA February 2019 14 Ventilation System Section 4: Upper Drive Screw Flange Bearing Replacement Tools Required: 1/2" socket/wrench 4.1 Removal of Upper Drive Screw Flange Bearing A. Refer to Section 2.1: "Removal of Load Nut" B. Perform steps A - D. Exception to step A, load block does not have to be in any particular location. C. Perform step F -I. D. Rotate drive screw until it unscrews and is away from upper flange bearing. E. Remove (2) retaining bolts securing the flange bearing into the machine housing. Using 1/2" wrench or socket. 4.2 Installation of Upper Drive Screw Flange Bearing A. Install flange bearing using removed hardware fasteners. B. Refer to Section 2.2: "Installation of Load Nut": Perform steps H - Q.
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