Stand Alone Assembly (HDU-ADDPR, HDU-DPR) Connect the stand alone leg assemblies to the tower assembly, level unit and tighten hardware to 45-50 ft-lb (61-67.8 nm). Item Description Qty. 1 Leg Assembly 2 2 1/2 in Thin Lock Nut 2 3 1/2 in Star Washer 2 4 Tower Assembly 1 5 Screw, 1/2-13 X 4 2 Parent topic: Assembly Procedure