Brother International CB3-B917 Service Manual - Page 22

3. ASSEMBLY AND ADJUSTMENT 304s 5. With the screw flat of the thread take-up lever shaft facing toward you, pass it through the tension release rod , insert into the frame, push lightly, and tighten the screw. 6. Pass the adjustment shaft through the tension release rod and presser driving lever , and then fit the snap ring and tighten with a screw. 7. Attach the spring to the tension release rod and the frame pin. 8. Fit the needle bar clamp to the needle bar clamp connector , and then fit to the needle bar drive lever . Apply grease 305s 9. With the cut part of the needle bar facing toward you, pass it through the needle bar clamp , and then tighten together with the needle thread take-up . Cut part 306s 307s A (TQx1) B (TQx7) < Adjustment of the needle bar height > Move the needle bar to the lowest position and align 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 16