5.4.
Instructions for profile cutting and machining
5.4.1. Box cutting
For double-door frames, the box must be cut in such a way as to exceed the width of the frame
by 80 mm. on the idler pulley side.
5.4.2. Central bracket machining
This machining refers to the bracket included in the bracket kit (1122.70D and 1122.70S)
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