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Adjustment (Main Unit)
Side feed line adjustment
1. Start test mode (refer to 4.4 "Test Mode" for test mode startup methods).
2. After pressing
and selecting
, press
, and after selecting "FORWARD AND REVERSE FEED,"
press
again until the needle moves to the left (base line) position and select "Feed line adjustment mode."
3. Set up two pieces of broadcloth, one on top of the other, on the sewing machine, press
to operate in "Side
feed line adjustment mode" and check the shape of the horseshoe pattern.
*Key point
• The horseshoe pattern should be oriented almost perfectly to the side
• The length of the upper side of the horseshoe pattern should be 26-31 mm.
4. When the feed dog lateral position is center, adjust the set screw collar in the feed module so that the vertical
adjusting screw is almost perfectly vertical when viewed from the rear of the sewing machine.
5. Adjust the up and down gap on the right side of the horseshoe to 4 - 6 mm using
or
.
6. Adjust the difference in length between the top and the bottom to less than 1 mm using
or
.
6
Material drift correction value
Left and right length correction value
Fig.A
Fig.B
Vertical
The bottom
Fig.C
Positive correction
Negative correction
Fig.D
Less than 1mm
Negative correction
Positive correction
Summary of Contents for BLMY
Page 1: ......
Page 2: ......
Page 3: ......
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 ...
Page 226: ......