
Application of
Disassembly
3 - 79
Needle-presser module
Application o
f
Disassembly
Application of Disassembly
17
Removal of Needle bar crank rod assy, Thread take-up lever assy,
Thread take-up counter weight and Unit shaft
1. Remove the two screws (set screw, socket (FT) M5x5) to remove the needle bar crank rod assy and
thread take-up lever assy from the thread take-up lever link and thread take-up counter weight.
2. Remove the screw (screw, flat SM3.57-40X7L), and remove the thread take-up lever assy from the
needle bar crank rod assy.
*Key point
• Tighten the screw by turning it anti-clockwise.
3. Remove the two screws (set screw, socket (FT) M5x5) to remove the thread take-up counter weight
and washer, thrust from the unit shaft. Pull out the unit shaft, and then remove the washer, thrust and
retaining ring E8 from the unit shaft.
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
Set screw, socket (FT) M5x5
Washer, thrust
Set screw, socket
(FT) M5x5
Summary of Contents for BLDY
Page 2: ......