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3 - 4
Needle bar, presser mechanism / upper shaft mechanism
Main unit
3
Needle-presser module attachment
1. Attach the retaining ring E5 to the shaft
1
.
2. Insert the shaft
1
into the shaft hole on the left side of the needle presser
module
2
.
*Key point
• Insert the shorter end of the shaft
1
from the reataining ring
(E5) into the shaft hole on the needle presser module
2
.
3. Insert the shaft
1
into the needle presser module
2
, and then attach the
presser plate A
3
with the 2 screws
1
.
4. Attach the presser plate B
4
with the 2 screws
1
.
5. Tighten the screw
2
temporarily. (Fully tighten the screw after performing
4 - 12 Clearance between the needle and the rotary hook point adjustment)
1
Torque
1.47 – 1.98 N·m
2
Torque
0.78 – 1.18 N·m
2
3
1
4
1
Retaining ring E5
2
Taptite, Bind S
M
4X10
Screw, Pan (S/P washer)
M3X16A
4
Upper shaft pulley attachment
1. Align the base line on the rotation shutter
A
(on the same surface as the
upper shaft
B
D cut) and the base line on the upper shaft pulley
C
, and
attach the upper shaft pulley
1
to the upper shaft assy.
2
.
2. Attach retaining ring E6.
1
B
C
A
2
Retaining ring E6
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: ......