Needle Bar Mechanism - Brother BAS-311E Service Manual

4. Needle bar mechanism

t
r
o
i
!1
!0
!5
!4
1. Remove the rubber cap q.
2. Remove the needle bar thread guide w from the needle bar e.
3. Loosen the screw of the needle bar clamp r, and remove the needle bar e through the machine top.
4. Remove the needle bar clamp r from the thread take-up lever t.
(Remove the needle bar guide slide block u from the needle bar guide y.)
5. Remove the rubber cap i, loosen the set screw o, and remove the thread take-up support stud !0 .
6. Remove the oil cap !1 , loosen the set screw ! 3 of the counter weight !2 , and remove the thread take-up lever !4 .
(The thread take-up assembly !5 will come off.)
7. Remove the rubber cap !6 , the screw !7 , and the needle bar guide y.
(Do not remove them if possible to prevent the machine from overheating due to needle bar rubbing.)
e
r
y
u
w
!2
!3
!7 !6
y
BAS-311E.311EL.326E.326EL
Chapter 2. Disassembly
q
!2
!3
15