Upper Blade / Lower Blade / Looper; Needle Plate Assy / Stitch Width Dial Assy - Brother SB3734T Service Manual

Disassembly
1

Needle plate assy / Stitch width dial assy

1. Remove the screw (screw, flat SM4.37-40x8) to remove the needle plate assy.
2. Remove the screw (screw, bind M2x4) to remove the fixed needle guard from the needle plate assy.
*Assembling note
• Fully tighten the screw after performing
3. Remove the screw (screw, bind M4x6) to remove the stitch width dial assy.
*Assembling note
• Fully tighten the screw after performing
4. Remove the screw (screw, bind M4x6) to remove the UL release maintenance spring.
Screw, Flat SM4.37 - 40X8
Screw, Bind M2X4
Screw, Bind M4X6
Needle plate assy
Stitch width dial assy
Screw, bind M4x6

Upper blade / Lower blade / Looper

"Fixed needle guard position
"Stitch width dial
Screw, flat SM4.37-40x8
Screw, bind M2x4
Fixed needle guard
UL release maintenance spring
Screw, bind M4x6
Fig. 2-1
2 - 25
adjustment".
adjustment".