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Basic of Disassembly
1
Removal of Tension pulley assy (timing belt)
1. Remove the screw (screw, pan (S/P washer) M4x12) and the nut 2 M4 to remove the tension pulley
assy from the arm bed.
2. Remove the timing belt from the lower shaft assy and the upper shaft assy.
Nut 2 M4
Lower shaft assy
Upper shaft, Needle-presser module
Upper shaft assy
Timing belt
2 - 21
Tension pulley assy
Screw, pan
(S/P washer)
M4x12
Screw, Pan (S/P washer) M4X12
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