Brother International LK3-B430 Service Manual - Page 24
Needle, shuttle, clearance, adjustment, Lower, shaft, backlash, Reference, Position
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4. Needle and shuttle hook clearance adjustment O. 01-0. 08mm - 0 -Turn the pulley to bring the top of the shuttle hook into line with the center of the needle. Then loosen screw() and turn the eccentric shaft Q so that the clearance between the needle and the top of the shuttle hook is 0.01 to 0.08 mm. 5. Lower shaft gear backlash adjustment 0 S 0 Loosen screw and turn rock gear shaft Q so that there appears to be a play of 0.04 to 0.07 mm at the top of the driver when it is moved in the rotating direction by hand. t2.1 FEED • Reference Needle Position Reference needle position varies with specifications. Adjust by referring to the table below. Specifications -1 -2 -3 -4 -5 -6 -7 -8 -9 Reference Needle Position 7 stitches 3 stitches 8 stitches 7 8 7 stitches stitches stitches - 24 -