Brother International CB3-B917 Service Manual - Page 37

clutch shaft

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4. REPLACEMENT OF PARTS 1 mm 1 mm 416s 417s 0.5 mm 418s 10. Tighten the button clamp driving lever temporarily so that the clearance between the button clamp driving fork and the driving link , and between the driving link and the vertical feed cam , is 1 mm. 11. Loosen the screw and adjust the button clamp driving lever . 12. Raise the sewing machine. 13. Fit the number of stitches adjustment cam to the cam shaft . 14. Temporarily tighten the thread trimming lever clutch shaft . to the 15. Adjust the number of stitches adjustment cam so that there is a clearance of 0.5 mm between it and the pawl . 16. Attach the spring . 17. Fit the connecting rod to the connecting rod shaft , and then fit the snap ring . 419s 31 CB3-B916A/B917A

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4. REPLACEMENT OF PARTS
CB3-B916A/B917A
31
416s
1 mm
1 mm
417s
0.5 mm
418s
419s
10. Tighten the button clamp driving lever
temporarily so
that the clearance between the button clamp driving fork
and the driving link
, and between the driving link
and the vertical feed cam
, is 1 mm.
11. Loosen the screw
and adjust the button clamp driving
lever
.
12. Raise the sewing machine.
13. Fit the number of stitches adjustment cam
to the cam
shaft
.
14. Temporarily tighten the thread trimming lever
to the
clutch shaft
.
15. Adjust the number of stitches adjustment cam
so that
there is a clearance of 0.5 mm between it and the pawl
.
16. Attach the spring
.
17. Fit the connecting rod
to the connecting rod shaft
,
and then fit the snap ring
.