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2" Carriage Bolt /4"-20 Hex Fmange Nut RAIL SECTION CONNECTION WOODEN DOORS DOOR ARMS SlideCollarover long Nook TO (SHORT AS POSSIBLE) >, c c_ E Mate Hooks LJo _J GJ _c F= < ARMS L0 SHde Collar over Joint J c _6 (LONG AS POSSIBLE] I Snap CHp behind Collar L_ _O O O @ CONNECT RAK TO POWER HEAD ATTACH RAK STRAP TO [ND RAK SECTION CONECTEEL_ARANDALACAJADELMOTOR [NSTALEELENSA_BLEDELCORRED_ZO MA_N_TICOA LASBARANDAS Attach Rail Strap to End Rail Section, A o Threaded stud of Rail strap should pass in