Attach Seat Back and Seat Back Shroud Secure seat back to seat weldment using four screws. Secure seat back shroud using five screws. Item Description Qty. 1 Seat Back 1 2 M8 X 20 Flange Head Cap Screw 4 13.5 Nm (10 ft. lbs.) 1 3 Seat Back Shroud 1 4 M6 X 16 Phillips Pan Head Screw 5 4 Nm (35 in. lbs.) Parent topic: Assembly Procedure