Baby Lock BLDY Service Manual page 214

Application of
Assembly
4
Attachment of Thread cutting shutter and Thread catching case A/B
1. Set the thread cutting shutter to the thread catching case A. Insert the tip of thread take up spring
(XZ0386) into the hole of thread catching case A, set the thread take up spring (XZ0386) to the thread
catching case A, and hang the thread take up spring to the spring groove of thread cutting shutter.
*Key point
• Check that there is the spring groove of thread cutting shutter between the two tabs of thread catching case A.
2. Insert the tip of thread take up spring (XZ0386) into the hole of thread catching case B, and set the
thread catching case B to the thread catching case A.
3. Align the two tabs of thread catching case A with the groove of thread tension assy, then set the thread
catching case A to the thread tension assy, and tighten the screw (screw, pan (S/P washer) M3x18)
temporarily.
*Key point
• Fully tighten the screw after performing
Tabs of Groove
thread catching case A
Groove of thread cutting shutter
THREAD TAKE UP SPRING (XZ0386)
Needle threading mechanism
"Adjustment of Thread take up spring
Thread take up spring (XZ0386)
Groove
Thread cutting shutter
3 - 116
tension".
Screw, Pan (S/P washer) M3X18
Thread tension assy
Thread take up spring (XZ0386)
Tip
Thread catching case A
Thread catching case B
Screw, pan
(S/P washer) M3x18