Needle Bar - Brother SB3734T Service Manual

Disassembly
1

Needle bar

1. Remove the screw (screw, pan M3x10) to remove the washer plain S3 and the needle clamp base from
the needle bar.
2. Remove the two screws (screw, bind M3x6) to remove the needle clamp plate from the needle clamp
base.
3. Remove the screw (screw, bind M4x6) to remove the thread take-up C from the needle bar connecting
link.
*Assembling note
• Fully tighten the screw after performing
4. Remove the screw (set screw, socket (CP) M4x8) from the needle bar connecting stud, and pull out the
needle bar.
*Assembling note
• Fully tighten the screw after performing
Screw, Pan M3X10
Screw, Bind M3X6
Screw, Bind M4X6
Set Screw, Socket (CP) M4X8
Screw, bind M4x6
Washer plain S3
Screw, pan M3x10
Needle clamp base
Needle bar
"Thread take-up position
"Needle bar height
Needle bar
Thread take-up C
Needle bar
connecting
stud
Needle clamp plate
Fig. 2-1
2 - 50
adjustment".
adjustment".
Set screw, socket
(CP) M4x8
Needle bar
connecting link
Screw, bind M3x6