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3 - 3
Needle bar, presser mechanism / upper shaft mechanism
Main unit
Assembly
1
Plate spring attachment
1. Attach the plate spring
1
from the front of the arm bed using the 2 screws
1
.
2. Attach the plate spring
1
from the back of the arm bed using the adjusting
screw
2
.
*Key point
• Tighten adjusting screw
2
so that the screw threads are
completely hidden.
1
Torque
1.18 – 1.57 N
·
m
1
2
1
*Front view
*Rear view
Screw, Bind
M
4X5
2
Wire assy. attachment (lifter assy.)
1. Insert the fitting
1
(on the spring side) on the end of the wire assy. into the
wire holder
2
on the lifter assy., and attach retaining ring E4.
2. Attach the hook
3
on the end of the wire assy. to the lifter assy. shaft, and
attach retaining ring E3.
Retaining
ring E3
Retaining ring E4
1
2
3
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: ......