Feed Dog Height Adjustment - Brother b831 Service Manual

• FEED DOG HEIGHT ADJUSTMENT
Approx. 1.0 mm
1. Turn the pulley and set the feed dog O to the up position.
2. The feed dog O should be 1.0 mm above the needle plate. Loosen screw O and vertically adjust the feed bar O to
adjust the height.
* The back of the feed dog needle hole should be smooth to enable free thread passage.
Firmly tighen screw O after adjusting the height.
ffl If the feed dog is too high:
The feed dog will strike the needle plate.
Stitches will be longer than indicated by the feed regulator dial.
ffl If the feed dog is too low: •Stitches will be shorter than indicated by the feed regulator
dial.
- 3 3 -