Brother 2104D - Feed Mechanism; Differential Adjusting Plate

Disassembly
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Disassembly Disassembly
Feed mechanism
1
Differential adjusting plate
1. Remove the screw (screw, bind M4x6) to remove the differential adjusting lever.
2. Remove the screw (set screw, socket (CP) M4x4) to pull out the upper knife link shaft from the arm bed
and the differential adjusting plate. Remove the retaining ring E4 from the upper knife link shaft.
*Assembling note
• Push the upper knife link shaft, and then tighten the screw.
3. Remove the retaining ring E3 to remove the washer plain M4 and the wave washer from the adjusting
link shaft.
4. Remove the differential adjusting link and the differential lever link from the shaft of differential adjusting
lever and the adjusting link shaft.
5. Remove the retaining ring E4 to remove the wave washer, the differential lever link and the differential
adjusting link from the shaft of differential adjusting plate.
Fig. 2-1
Screw, Bind M4X6
Set Screw, Socket (CP) M4X4
Differential adjusting lever
Wave washer
Set screw, socket
(CP) M4x4
Upper knife link shaft
Arm bed
Differential adjusting
plate
Retaining ring E4
Adjusting link
shaft
Retaining ring E3
Washer plain M4
Screw, bind M4x6
Differential adjusting link
Differential lever
link
Retaining ring E4
Wave washer
Shaft
Shaft
Differential adjusting
lever