3 - 43
Needle-presser module
Modules
Assembly
3
Presser bar attachment
1. Insert the presser bar bushing
1
into the shaft hole on the bottom of the
unit holder.
2. Attach the plate spring
2
to the unit holder with the screw
1
.
*Key point
• Press the presser bar bushing with the plate spring.
3. Dip the tip of the presser bar
3
(opposite end from the retaining ring) in
FBK OIL RO 100.
4. Insert the presser bar
3
into the presser foot rack
4
.
5. Temporarily attach the screw
2
to the presser bar clamp
5
.
6. Adjust the presser bar height and parallel alignment, and then fully tighten
the screw
2
.
*Key point
• Refer to "Presser bar height and parallel adjustment" on page
4 - 13 for the adjustment procedure.
7. Apply a bead of MOLYKOTE EM30L to the groove on the stopper pin of
the unit holder.
8. Insert spring
and the presser bar clamp
5
into the presser bar
3
.
*Key point
• Engage the stopper pin
6
of the presser bar clamp
5
with the
groove on the stopper pin of the unit holder.
9. Pass the presser bar
3
through to the presser bar bushing
1
.
Dip the tip of the presser bar (opposite end from the
retaining ring) in FBK OIL RO 100.
Dipping
XC8388***
Apply MOLYKOTE EM30L to the groove on the
stopper pin of the unit holder.
Bead
XC8385***
1
Torque
0.78 – 1.18 N·m
2
Torque
Hand tighten
S07
3
2
S07
1
1
2
5
4
6
S07
Taptite, Bind B
M
3X8
Set Screw, Socket (CP)
M5X10
55.7
6.5
SPRING
XC4457***
4
T cam attachment
1. Apply a small amount of MOLYKOTE EM30L to the cam groove
1
and
shaft hole
2
of the T cam.
2. Attach the T cam
3
to the upper unit holder.
3. Apply a small amount of MOLYKOTE EM30L to the gear for the T cam
3
.
Apply MOLYKOTE EM30L to the entire cam
groove in the T cam
Small amount
XC8385***
Apply MOLYKOTE EM30L to the shaft hole in
the T cam
Small amount
XC8385***
Apply MOLYKOTE EM30L to the entire surface
of the gear for the T cam
Small amount
XC8385***
1
3
2
Содержание BLMY
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Страница 19: ...1 8 ...
Страница 21: ...2 2 Main parts location diagram Main unit ...
Страница 30: ...2 11 Disassembly Electrical parts and motors location diagram Main unit ...
Страница 37: ...2 18 Thread tension mechanism location diagram Main unit ...
Страница 43: ...2 24 Bobbin winder mechanism location diagram Main unit ...
Страница 46: ...2 27 Disassembly Rotary hook drive mechanism Feed and bobbin mechanism Cutter assy location diagram Main unit ...
Страница 49: ...2 30 Needle bar presser mechanism Upper shaft mechanism location diagram Main unit ...
Страница 53: ...2 34 Needle presser module breakout diagram 78 Modules ...
Страница 66: ...2 47 Disassembly Feed and bobbin module breakout diagram Modules ...
Страница 75: ...2 56 Thread cutter module breakout diagram Modules ...
Страница 79: ...2 60 ...
Страница 81: ...3 2 Needle bar presser mechanism upper shaft mechanism location diagram Main unit ...
Страница 86: ...3 7 Assembly Rotary hook drive mechanism Feed and bobbin mechanism Cutter assy location diagram Main unit ...
Страница 90: ...3 11 Assembly Bobbin winder mechanism location diagram Main unit ...
Страница 94: ...3 15 Assembly Thread tension mechanism location diagram Main unit ...
Страница 102: ...3 23 Assembly Electrical parts and motors location diagram Main unit ...
Страница 109: ...3 30 Main parts location diagram Main unit ...
Страница 120: ...3 41 Assembly Needle presser module breakout diagram 78 Modules ...
Страница 139: ...3 60 Feed module breakout diagram Modules ...
Страница 155: ...3 76 Thread cutter module breakout diagram Modules ...
Страница 161: ...3 82 ...
Страница 191: ...4 30 ...
Страница 217: ...5 26 Failure Investigation for Electronic Parts Error is displayed F09 is displayed Replace the main NF3D PCB assy Y ...
Страница 226: ......