Attach back brace Attach back brace using a 7/32” Allen wrench and a 9/16” wrench using four BHSCS 2.50”, washers and locknuts. Item Description Qty 1 Back Brace 1 2 BHSCS 2.50” 4 3 Washer 4 4 Locknut 4 Repeat for opposite frame weldment. Parent topic: Assembly Procedure