− 99 −
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 s worn out and
rough motion of thread is apt to occur unless it is
perodcally replaced.
• center knife (Part No. : 40026155)
center knife
Thread guide
felt
• corner knife
Sharpness is deteriorated and sewing quality is
influenced unless it is periodically replaced.
Gauge sze
Part No.
8 to 14mm
16607301, 16607400
16 to 20mm
16607509, 16607608
22 to 26mm
16607707, 16607806
28 to 32mm
16607905, 16608002
corner knife