IDEAL 8305 - Concertina Fold Adjustments; Adjusting B for Double Parallel Fold (cont.); Concertina Fold Insertion; Adjusting A for Concertina Fold

GB B push the lower folding buffer outwards.
PL  pchnij dolny suwak 
GB Insert direction for concertina fold.
PL Kierunek dla falcowania harmonijkowego.
GB A‟ too long  push the higher folding buffer outwards.
PL  
GB A  push the higher folding buffer inwards.
PL  
GB B  push the lower folding buffer inwards.
PL  