Feed Adjustment - Baby Lock BLMY Service Manual

Adjustment (Main Unit)
1. Remove the front cover, and turn on the power while pushing SW1 and SW3 on the main PCB assy. (the buzzer
sounds four times and test mode starts)
*See (4 - 4 "Test Mode") for starting test mode with the front cover in place.
2. Press SW3 (with the front cover in place, press
forward and reverse mode."
3. Press SW1 (with the front cover in place,
and reverse feed amounts.
4. Loosen the FPM holder assy. screw (3 x 8).
5. Adjust the forward and reverse feed using the FPM holder assy. screw (4 x 25).
6. Tighten the screw (3 x 8).
*Key point
• Confirm that when a material of two layers of broadcloth with paper in between is given 100 stitches forward
and reverse ("Feed forward and reverse" mode), the forward side is 0 – 10 mm longer than the reverse side.
• Tightening the screw (4 x 25)
• Loosening the screw (4 x 25)

Feed adjustment

) and run "Feed forward and reverse mode," checking the forward
=>
shortens the reverse side.
=>
lengthens the reverse side.
five times, select and press
17 6
), and select "Feed
4 - 17