Brother International LK3-B430 Service Manual - Page 41
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"." •1.144:k ti Start position is incorrect. Faulty start Feed cam position is wrong. Feed cam position wrong. ! Start stopper position is i Ball presser plate position dClutch cam timing Excessite shock at stop Brake spring pressure Deceleration is not enough at 'low speed. ----I Brake shoe clearance -:,-;-.• t.Nr,a,f; .... •,z*r.p. ... vini. :,:-..."ss. ^..,' •n c:- '''.- Match heed cam mark in with bed mark. 35 Adjust start stopper position. 29 Adjust clutch cam timing. 28 Adjust brake spring 30 pressure. Adjust brake. 29 d Ball presser plate Adjust ball presser plate position. 27 Thread wiper interferes with T sy Thread wiper does not! needle. I operate properly. L Thread wiper position is wrong. Clearance between thread wiper and needle point -i Adjust thread wiper height. 34 Thread wiper position Adjust thread wiper stroke. 34 Lower thread is wound, 1 Lower thread tension unetenls. bracket position is wrong. Lower thread tension bracket position Adjust lower thread tension bracket position. Lower thread is not wound' enough. Bobbin presser position is wrong. Thread volume Adjust bobbin presser position. _I Main tension release timing is wrong. Clutch cam timing Adjust clutch cam timing. 28 thread slips out. Needle thread length is uneven. Roller shaft disengaging timing Adjust start loser position. 28 Thread lake-up lever stroke is incorrect. Thread take-up lever stroke Adjust thread take-up lever stroke. 33 -41 -