Brother International Isodore„ Innov-ís 5000 Users Manual - English - Page 223

i Insert the bobbin case so that the S mark on the bobbin case aligns with the z mark on the machine. CARE AND MAINTENANCE Adjusting the Alternate Bobbin Case (with no marking) a b a b The alternate bobbin case (with no marking) can be easily adjusted when bobbin tension changes are required to accommodate different bobbin threads. To adjust the bobbin tension for embroidery function, using the alternate bobbin case (with no marking), turn the slotted-head (-) screw with a (small) screwdriver. a Do not turn a phillips screw (+). b Adjust with a screwdriver (small). 1 2 * Align the S and z marks. ■ Correct tension See page 154 about the correct tension. ■ Bobbin thread is loose Bobbin thread appears slightly on the right side of fabric. If this occurs, turn the slotted-head screw (-) clockwise, being careful not to over-tighten the screw, approximately 30-45 degrees to increase bobbin tension. a S mark b z mark c Bobbin case 1 2 a Right side b Wrong side Note • Never use a bobbin case that is scratched; otherwise, the upper thread may become tangled, the needle may break, or sewing performance may suffer. For a new bobbin case (part code: XC3153-351 (green screw), XC8167-551 (no marking)), contact your nearest authorized service center. • Be sure that the bobbin case is correctly installed. Otherwise, the needle may break. ■ Bobbin thread is tight If this occurs, turn the slotted-head screw (-) counterclockwise, being careful not to over-tighten the screw, approximately 30-45 degrees to decrease bobbin tension. 1 2 a Right side b Wrong side j Insert the tabs on the into the needle plate, needle plate cover and then slide the cover back on. 8 CAUTION Appendix Note • If the needle plate has been removed it is especially important to reinstall the needle plate and tighten the screws prior to installing the bobbin case. • When adjusting the alternate bobbin case, be sure to remove the bobbin from the alternate bobbin case. • DO NOT adjust the position of the Phillips (+) screw on the alternate bobbin case as this may result in damage to the bobbin case, rendering it unusable. • If the slotted-head screw (-) is difficult to turn, do not use force. Turning the screw too much or providing force in either (rotational) direction may cause damage to the bobbin case. Should damage occur, the bobbin case may not maintain proper tension. 211