1 Unscrew the screw that holds the strap with a 3mm allen key.
Repeat on the opposite side.
2 Make sure that you recover the screw, the nut and the tubular spacer.
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3 Pull the strap tight and turn the nut clockwise to tighten the strap.
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4 Remove the main strap from the backrest padding.
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5 Insert the new replacement strap into the padding.
IMPORTANT: Make sure to align the end of the strap with the TRIONIC logo as shown in the photo.
6 Insert the tubular spacer into the hole at the end of the strap.
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7 Attach the backrest strap to the backrest clamp with the screw and the nut.
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8 Attach the opposite end of the backrest in the same way.
IMPORTANT: Make sure that you can flip the backrest 90 degrees upwards for unfolding the Walker.