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Adjustment (Modules)
Front/back, left/right position of feed dog adjustment
1. Remove the M4 screws (two), and remove needle plate A from the feed base.
2. Align the feed adjuster assy. gear and F pulse motor gear match marks (feed in 0 mm position).
3. Loosen the screw (bind 3 x 8), temporarily install needle plate A, and adjust the forward/reverse and left/right
positions of the feed dog.
*Key point
• Place a t 1.5 mm spacer between the feed bar and feed arm A.
• Adjust the gap between the forward edge of the feed dog middle tooth and feed plate A front to back to 3.2 – 3.8 mm.
• Adjust the left and right gaps between the feed dog and needle plate A to be approximately the same.
• Make sure that the feed dog and needle plate A are not at an angle to each other.
4. Secure the feed dog with screws (bind 3x8 torque) (two)
5. Fully tighten the M4 screws (two), and secure needle plate A.
Match mark
Summary of Contents for BLMY
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Page 19: ...1 8 ...
Page 21: ...2 2 Main parts location diagram Main unit ...
Page 30: ...2 11 Disassembly Electrical parts and motors location diagram Main unit ...
Page 37: ...2 18 Thread tension mechanism location diagram Main unit ...
Page 43: ...2 24 Bobbin winder mechanism location diagram Main unit ...
Page 49: ...2 30 Needle bar presser mechanism Upper shaft mechanism location diagram Main unit ...
Page 53: ...2 34 Needle presser module breakout diagram 78 Modules ...
Page 66: ...2 47 Disassembly Feed and bobbin module breakout diagram Modules ...
Page 75: ...2 56 Thread cutter module breakout diagram Modules ...
Page 79: ...2 60 ...
Page 81: ...3 2 Needle bar presser mechanism upper shaft mechanism location diagram Main unit ...
Page 90: ...3 11 Assembly Bobbin winder mechanism location diagram Main unit ...
Page 94: ...3 15 Assembly Thread tension mechanism location diagram Main unit ...
Page 102: ...3 23 Assembly Electrical parts and motors location diagram Main unit ...
Page 109: ...3 30 Main parts location diagram Main unit ...
Page 120: ...3 41 Assembly Needle presser module breakout diagram 78 Modules ...
Page 139: ...3 60 Feed module breakout diagram Modules ...
Page 155: ...3 76 Thread cutter module breakout diagram Modules ...
Page 161: ...3 82 ...
Page 191: ...4 30 ...
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