Brother CB3-B917 Service Manual page 22

5. With the screw flat of the thread take-up lever shaft
insert into the frame, push lightly, and tighten the screw.
6. Pass the adjustment shaft
and tighten with a screw.
7. Attach the spring to the tension release rod
Apply grease
Cut part
through the tension release rod
305s
306s
A (TQx1)
B (TQx7)
307s
304s
facing toward you, pass it through the tension release rod
and presser driving lever
and the frame pin.
8. Fit the needle bar clamp
connector
.
9. With the cut part of the needle bar
pass it through the needle bar clamp
together with the needle thread take-up
< Adjustment of the needle bar height >
Move the needle bar
the uppermost reference line A with the bottom of the
needle bar metal.
* For a TQx7 needle, use the second reference line B from
the bottom.
CB3-B916A/B917A
3. ASSEMBLY AND ADJUSTMENT
, and then fit the snap ring
to the needle bar clamp
, and then fit to the needle bar drive lever
facing toward you,
to the lowest position and align
,
, and then tighten
.
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