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BAS-311E.311EL.326E.326EL
Chapter 2. Disassembly
5. Upper shaft mechanism
1. Loosen the screw w and the set screw e of thread take-up crank q.
(The screw w should be loosened until its end comes off the upper shaft r.)
2. Remove the screw t, and the thread trimming solenoid y.
3. Remove the screw u, and the wick support i.
4. Remove the screw o, and the crank rod !0.
(At this time, lower the crank rod !0’ in the direction of the arrow.)
5. Loosen the set screws of the stepping work clamp cam !1 and the thread trimmer cam !2.
6. Remove the V belt !3, loosen the set screw !4, and remove the pulley !5.
7. Remove the screw !6 and the synchronizer !7.
8. Remove the upper shaft r in the direction of the arrow.
After that, remove the thread take-up crank q, the stepping work clamp cam !1, and the thread trimmer cam !2 from
the upper shaft r, in this order.
w
q
e
r
r
!7
!4
!5
!1
!6
!0
u
q
r
y
t
r
o
!1
!2
i
!0’
!3
!2