Brother International BAS-610 Instruction Manual - English - Page 40

STANDARD ADJUSTMENTS [2] [Clearance between the rotary hook and needle plate] 0 T 0.6 to 0.9 mm • Loosen setscrews 0 and adjust the clearance between rotary hook 0 and needle plate 0 to 0.6 to 0.9 mm by moving rotary hook 0 vertically. [Needle bar lift stroke and needle bar height] Needle to 1.5 mm 0 2.4 mm 0 00 0 Needle bar lift stroke 1. Loosen setscrews and turn rotary hook (0 so as to adjust the rotary hook point to align with the needle center when the needle rises 2.4 mm from its lowermost point. Needle bar height 1. Loosen setscrew 0 and move the needle bar vertically so as to adjust the clearance between the needle hole top and the rotary hook point to 1 to 1.5 mm when the rotary hook point is aligned with the needle hole center. [Clearance between the rotary hook and bobbin case opener] 41 0 2 mm • Loosen bolts and move bobbin case opener sideways to adjust the clearance between rotary hook Q and bobbin case opener to 0.2 mm when bobbin case opener 0 pulled fully over in the arrowed direction. 41- Th< r-- -36-