Singer 9980 QUANTUM STYLIST Instruction Manual - Page 100
Maintenance
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MAINTENANCE DANGER: To reduce the risk of electric shock. Disconnect the power line plug from electric outlet before carrying out any maintenance. CLEANING If lint and bits of thread accumulate in the hook, this will interfere with the smooth operation of the machine. Check regularly and clean the stitching mechanism as needed. A. Bobbin Holder Remove the bobbin cover and bobbin. Clean the bobbin holder with a brush. B. Hook Race and Feed Dog 1. Remove the needle, presser foot and holder. Remove the bobbin cover and bobbin. Remove the screws holding the needle plate. 2. Remove the needle plate by lifting up the right side of the plate. 3. Lift up the bobbin holder and remove it. CAUTION: To prevent accidents. Do not touch thread cutter unit (a). Edged knife is provided inside. a 4. Clean the hook race, feed dogs and bobbin holder with a brush. Also clean them, using a soft, dry cloth. 5. Replace the bobbin holder into the hook race so that the tip (b) fits to the stopper (c) as shown. 6. Replace the needle plate inserting the hook into the machine. Replace the screws and tighten. Note: * An LED lamp is used to illuminate the stitching area. It does not require replacement. In the unlikely event it does not light, call your authorized SINGER retailer for service. * There is no need to lubricate this machine. b c 100