− 100 −
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 periodi-
cally replaced.
• Center knife (Part No. : 40026155)
Center knife
Thread guide felt
• Corner knife
Sharpness is deteriorated and sewing quality is influ-
enced 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