Upper Knife Holder - Brother SB3734T Service Manual

Disassembly
2

Upper knife holder

1. Remove the screw (screw, bind M4x8) to remove the washer spring 2-4, the knife release assy and the
upper knife from the upper knife holder.
*Assembling note
• Fully tighten the screw after performing
2. Remove the retaining ring E5 to remove the upper spring from the upper knife holder.
3. Pull out the upper knife holder from the upper knife arm.
Retaining ring E5
Upper spring
Upper knife arm
Screw, Bind M4X8
Upper blade / Lower blade / Looper
"Lower knife / Upper knife position
Upper knife holder
Fig. 2-2
2 - 26
adjustment".
Knife release assy
Upper knife
Washer spring 2-4
Screw, bind M4x8