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Tolerance of the parallels:
2) To maintain the correct angle of rotation of the headrest
and the footrest it is important that the twist bracket is welded
according to the below instructions. Non-compliance with the
instructions could lead to a smaller angle of rotation or in a
worst case damage to the TD3.
Welding the twist bracket on the frame
1) For the TD3 it is important that it is not welded on the
outside of the twist bracket because there is not room for a
welding seam in the motor housing. Instead weld the bracket
on the whole length of its ends.