3 - 58
Needle-presser module
Modules
31
Zigzag adjusting nut attachment
1. Apply a small amount of EPNOC AP(N)0 to the zigzag adjusting nut
1
.
2. Hand tighten the zigzag adjusting nut
1
on the needle bar supporter assy
using the screw
1
.
(Fully tighten after 4 - 10 "Three point needle drop adjustment.")
*Key point
• Set the side of the zigzag adjusting nut
1
with the greatest
eccentricity toward the top (see figure at the right).
Apply EPNOC AP(N)0 to the zigzag adjusting nut
Z zigzag lever contact surface
Small amount
XC8387***
1
Torque
0.78 – 1.18 N·m
1
1
1
Bolt, Socket
M4X25
32
Spring-Z attachment
1. Attach the spring
to the upper unit holder
1
and the needle bar
supporter assy
2
.
S20
2
1
S20
S20
14.3
5
A decided hook form is the same.
SPRING-Z
XC2748***
33
Adjusting plate assy. assembly
1. Attach tension release plate C
1
to the adjusting plate assy.
2
, and attach
retaining ring E3.
2. Attach wire guide plate U
3
to the adjusting plate assy.
2
using the
screws
1
(two).
1
Torque
1.18 – 1.57 N·m
1
2
Retaining ring E3
3
1
Screw, Bind
M
4X6
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: ......