Baby Lock BLDY, Service Manual, Page: 256 / 311

Application of
Assembly
3 - 158
Needle-presser module
Application o
f
Assembly
Application of
Assembly
7
Attachment of Thread guide plate and Needle bar supporter assy
1. Attach the thread guide plate to the upper unit holder assy.
2. Insert the needle bar supporter assy into the upper unit holder assy, and set the position “A” of needle
bar supporter assy to the positioning groove of lever AB.
3. Insert the shaft into the positioning hole of needle bar supporter assy and the shaft bushing. Insert the
shaft into the needle bar supporter assy, shaft and needle bar supporter assy. Align the notch of plate
with the groove on shaft, and attach the plate to the needle bar supporter assy with the screw (screw,
bind M3x5). Tighten the screw (screw, bind M2x4) to the shaft.
Screw, Bind M2X4
Screw, Bind M3X5
Upper unit holder assy
Plate
Shaft bushing
Lever AB
Thread guide plate
"A"
Shaft
Screw, bind M2x4
Needle bar supporter assy
Notch
Shaft
Plate
Screw, bind M3x5
Needle bar supporter assy
Positioning groove
“A”