Timing belt tension roller, hook drive roller Bernina 180 Posted on February 3, 2013 by wayne pedersen and tagged bernina activa bernina 100 series bernina 150 bernina 140 pulley bernina 165 timing belt bernina 153 bernina lubrication scritching sound scritching noise bernina 160 bernina 170 bernina 1780 hook drive belt bernina 130 roller bernina 180 bernina 730 bernina artista noisy bernina 200.
