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BAS-311E.311EL.326E.326EL
Chapter 1. Mechanical description
5. Thread trimmer mechanism
1. When the thread trimmer signal is on, the thread trimming solenoid q pushes the pushing lever driving lever w.
2. The pushing lever driving lever w pushes the thread trimmer driving lever r in the direction of the arrow, pivoting on
the shoulder screw e. The pushing lever driving lever w slides along the driving lever shaft t.
3. The roller y attached to the thread trimming driving lever r fits into the groove of the thread trimmer cam u, and
operates the thread trimmer rod i.
4. As the thread trimmer lever o is linked to the thread trimmer rod i, the connecting rod lever !0 operates.
5. When the thread trimmer connecting rod !1 linked to the connecting rod lever !0 operates, the fixed knife !2 and the
movable knife !3 fit into each other and perform thread trimming.
w
u
q
e
y
t
r
o
!0
!1
i
!2
!3
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