Baby Lock BL7800, Service Manual

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9. PRESSER BAR HEIGHT
STANDARD
The clearance from the needle plate top to the bottom of the presser bar should be 7.0-7.5 mm.
ADJUSTMENT
1. Raise the presser foot lifter.
2. Loosen the screw of the presser bar guide bracket.
3. Adjust the height of the presser bar by moving it vertically.
4. Tighten the screw of the presser bar guide bracket.
NOTE: The presser foot should be parallel to the feed dog hole of the needle plate. (Refer to (A).)
Adjustment Points
1. Install presser foot J.
2. When adjusting the presser bar height, the presser foot should be parallel with the feed dog hole in the
needle plate. (Refer to (A).)
∗
A hexagonal pencil can be used to check the height.
3. If the presser foot is not parallel with the feed dog hole, the needle may contact the presser foot or the fabric
may not feed straight while overcasting.