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4. CONSUMABLE REPLACEMENT COMPONENTS
The components below are the consumable ones.
Periodically replace them.
• Thread guide felt (Part No. : 40034444)
The part where thread passes is worn out and
rough motion of thread is apt to occur unless it is
periodically replaced.
• Center knife (Part No. : 40026155)
Center knife
Thread guide
felt
• Corner knife
Sharpness is deteriorated and sewing quality is
inuenced unless it is periodically replaced.
Gauge size Part No.
8 to 14mm 16607301, 16607400
16 to 20mm 16607509, 16607608
22 to 26mm 16607707, 16607806
28 to 32mm 16607905, 16608002
Corner knife
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