Needle Bar And Thread Take-Up Mechanism - Brother LH4-B800E Service Manual

3. ASSEMBLY

3-10. Needle bar and thread take-up mechanism

q
e
w
!1
t
u
y
o
!0
(Screw stop side)
q
i
r
Install the crank rod guide q with the two bolts w and the screw e.
Install the needle bar bracket slide block r to the thread take-up lever set t. Pass the wick o through the support
shaft hole in the arm. Insert the washer y into the thread take-up lever set t, and then install it to the thread take-up
crank u. Insert the needle bar bracket slide block r into the groove in the crank rod guide q. Secure the thread take-
up lever set t by tightening the two set screws i.
Insert the support shaft !0 and secure it by tightening the set screw !1 so that the thread take-up moves smoothly with
no play.
LH4-B800E
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