Lower Knife Holder Assy - Brother SB3734T Service Manual

Disassembly
3

Lower knife holder assy

1. Remove the screw (screw, bind M4x6) to remove the lower knife from the lower knife holder assy.
*Assembling note
• Fully tighten the screw after performing
2. Remove the two screws (screw, pan M3x4) to remove the stitch tongue spring, the stitch tongue and
the stitch tongue stand from the lower knife holder assy.
3. Remove the lower knife holder assy.
Screw, Bind M4X6
Screw, Pan M3X4
Upper blade / Lower blade / Looper
"Lower knife / Upper knife position
Lower knife holder assy
Fig. 2-3
2 - 27
adjustment".
Lower knife
Screw, bind M4x6
Stitch tongue
stand
Stitch tongue spring
Stitch tongue
Screw, pan M3x4