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BAS-311E.311EL.326E.326EL
Chapter 2. Disassembly
8. Lower shaft mechanism
1. Tilt the machine head until it stops.
2. Remove the bobbin case q and the shuttle hook w.
3. Loosen the bolt e, and remove the driver r and the retaining ring t.
4. Loosen the set screw of the set screw collar y, and remove the lower shaft assembly u from the rear of the machine.
5. Loosen the set screw i.
6. Loosen the set screw of the set screw collar o, and remove the rock gear shaft !0 from the rear of the machine.
7. Remove the set screw collar o, the rock gear !1, and the crank rod !2.
8. Raise the machine head.
e
w
u
q
y
t
r
o
!1
!2
!0
i