Baby Lock BLDY, Руководство по обслуживанию, Страница: 251 / 311

Application of
Assembly
3 - 153
Needle-presser module
Application o
f
Assembly
Application of
Assembly
3
Attachment of Unit shaft, Thread take-up counter weight, Thread take-up lever assy and
Needle bar crank rod assy
1. Attach the retaining ring E8 to the unit shaft. Insert the unit shaft into the washer,thrust, upper unit
holder assy, another washer,thrust and thread take-up counter weight. Align the screw hole A of thread
take-up counter weight with the cut surface of unit shaft, and secure the thread take-up counter weight
to the unit shaft with the two screws (set screw, socket (FT) M5x5).
2. Set the thread take-up lever assy to the needle bar crank rod assy, and secure it with the screw (screw,
flat SM3.57-40X7L).
*Key point
• Loosen the screw by turning it clockwise.
3. Insert the shaft of thread take-up lever assy into the thread take-up lever link, and insert the shaft of
needle bar crank rod assy into the thread take-up counter weight. Align the screw hole B of thread take-
up counter weight with the cut surface of shaft of needle bar crank rod assy, and secure the shaft of
needle bar crank rod assy with the two screws (set screw, socket (FT) M5x5).
Set Screw, Socket (FT) M5X5
Screw, Flat SM3.57 - 40X7L
Thread take-up lever assy
Screw, flat SM3.57-40X7L
Thread take-up counter weight
Upper unit holder assy
Needle bar crank rod assy
Washer,thrust
Retaining ring E8
Unit shaft
Thread take-up lever link
Screw hole B Cut surface
Screw hole A
Set screw, socket (FT) M5x5
Washer,thrust
Set screw, socket
(FT) M5x5
Needle bar crank rod assy
Thread take-up counter weight
Cut surface
Unit shaft
Screw hole B
Screw hole A