METU retaining cable, with bolts, nuts and toothed washers (M6).
This cable prevents the access doors from falling and hurting someone.
Instructions:
Drill a 6 - 7 mm Ø hole in the outer door panel 30 - 50 mm from the edge and also in the duct wall 30 - 50 mm from the edge of the opening. Fix the retaining cable as depicted above.
